Finding the Third Proportional to 659,968,144 and 1,374,141,056

Step by Step Solution

1. Step 1: Write the proportion equation
   659,968,144 : 1,374,141,056 = 1,374,141,056 : x
2. Step 2: Convert to fraction form
   659,968,144/1,374,141,056 = 1,374,141,056/x
3. Step 3: Cross multiply
   659,968,144x = 1,374,141,056 × 1,374,141,056
4. Step 4: Simplify right side
   659,968,144x = 1,888,263,641,784,795,136
5. Step 5: Solve for x
   x = 1,888,263,641,784,795,136/659,968,144
6. Step 6: Final answer
   x = 2,861,143,615.72