Finding the Third Proportional to 42,296,564,855 and 63,989,729,307

Step by Step Solution

1. Step 1: Write the proportion equation
   42,296,564,855 : 63,989,729,307 = 63,989,729,307 : x
2. Step 2: Convert to fraction form
   42,296,564,855/63,989,729,307 = 63,989,729,307/x
3. Step 3: Cross multiply
   42,296,564,855x = 63,989,729,307 × 63,989,729,307
4. Step 4: Simplify right side
   42,296,564,855x = 4,094,685,456,783,134,687,232
5. Step 5: Solve for x
   x = 4,094,685,456,783,134,687,232/42,296,564,855
6. Step 6: Final answer
   x = 96,808,936,395.20