Finding the Third Proportional to 13,288,099,312 and 31,367,828,662

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288,099,312 : 31,367,828,662 = 31,367,828,662 : x
2. Step 2: Convert to fraction form
   13,288,099,312/31,367,828,662 = 31,367,828,662/x
3. Step 3: Cross multiply
   13,288,099,312x = 31,367,828,662 × 31,367,828,662
4. Step 4: Simplify right side
   13,288,099,312x = 983,940,674,968,588,648,448
5. Step 5: Solve for x
   x = 983,940,674,968,588,648,448/13,288,099,312
6. Step 6: Final answer
   x = 74,046,758,070.21