Finding the Third Proportional to 141,798,215.25 and 307,796,800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,798,215.25 : 307,796,800.50 = 307,796,800.50 : x
2. Step 2: Convert to fraction form
   141,798,215.25/307,796,800.50 = 307,796,800.50/x
3. Step 3: Cross multiply
   141,798,215.25x = 307,796,800.50 × 307,796,800.50
4. Step 4: Simplify right side
   141,798,215.25x = 94,738,870,398,036,800
5. Step 5: Solve for x
   x = 94,738,870,398,036,800/141,798,215.25
6. Step 6: Final answer
   x = 668,124,561.59