Finding the Third Proportional to 64,992,321,012 and 141,522,696,616

Step by Step Solution

1. Step 1: Write the proportion equation
   64,992,321,012 : 141,522,696,616 = 141,522,696,616 : x
2. Step 2: Convert to fraction form
   64,992,321,012/141,522,696,616 = 141,522,696,616/x
3. Step 3: Cross multiply
   64,992,321,012x = 141,522,696,616 × 141,522,696,616
4. Step 4: Simplify right side
   64,992,321,012x = 20,028,673,657,464,378,359,808
5. Step 5: Solve for x
   x = 20,028,673,657,464,378,359,808/64,992,321,012
6. Step 6: Final answer
   x = 308,169,847,538.86