Finding the Third Proportional to 69,981,992 and 98,507,122

Step by Step Solution

1. Step 1: Write the proportion equation
   69,981,992 : 98,507,122 = 98,507,122 : x
2. Step 2: Convert to fraction form
   69,981,992/98,507,122 = 98,507,122/x
3. Step 3: Cross multiply
   69,981,992x = 98,507,122 × 98,507,122
4. Step 4: Simplify right side
   69,981,992x = 9,703,653,084,722,884
5. Step 5: Solve for x
   x = 9,703,653,084,722,884/69,981,992
6. Step 6: Final answer
   x = 138,659,286.59