Finding the Third Proportional to 31,490,448,783.25 and 69,399,653,925.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,490,448,783.25 : 69,399,653,925.25 = 69,399,653,925.25 : x
2. Step 2: Convert to fraction form
   31,490,448,783.25/69,399,653,925.25 = 69,399,653,925.25/x
3. Step 3: Cross multiply
   31,490,448,783.25x = 69,399,653,925.25 × 69,399,653,925.25
4. Step 4: Simplify right side
   31,490,448,783.25x = 4,816,311,964,944,467,755,008
5. Step 5: Solve for x
   x = 4,816,311,964,944,467,755,008/31,490,448,783.25
6. Step 6: Final answer
   x = 152,945,167,536.21