Finding the Third Proportional to 196,136,499,690.50 and 280,475,528,571.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,136,499,690.50 : 280,475,528,571.50 = 280,475,528,571.50 : x
2. Step 2: Convert to fraction form
   196,136,499,690.50/280,475,528,571.50 = 280,475,528,571.50/x
3. Step 3: Cross multiply
   196,136,499,690.50x = 280,475,528,571.50 × 280,475,528,571.50
4. Step 4: Simplify right side
   196,136,499,690.50x = 78,666,522,127,462,320,570,368
5. Step 5: Solve for x
   x = 78,666,522,127,462,320,570,368/196,136,499,690.50
6. Step 6: Final answer
   x = 401,080,483,497.96