Finding the Third Proportional to 8,880,078,651 and 19,745,602,662

Step by Step Solution

1. Step 1: Write the proportion equation
   8,880,078,651 : 19,745,602,662 = 19,745,602,662 : x
2. Step 2: Convert to fraction form
   8,880,078,651/19,745,602,662 = 19,745,602,662/x
3. Step 3: Cross multiply
   8,880,078,651x = 19,745,602,662 × 19,745,602,662
4. Step 4: Simplify right side
   8,880,078,651x = 389,888,824,485,581,488,128
5. Step 5: Solve for x
   x = 389,888,824,485,581,488,128/8,880,078,651
6. Step 6: Final answer
   x = 43,906,010,274.10