Finding the Third Proportional to 31,987,959 and 69,073,044

Step by Step Solution

1. Step 1: Write the proportion equation
   31,987,959 : 69,073,044 = 69,073,044 : x
2. Step 2: Convert to fraction form
   31,987,959/69,073,044 = 69,073,044/x
3. Step 3: Cross multiply
   31,987,959x = 69,073,044 × 69,073,044
4. Step 4: Simplify right side
   31,987,959x = 4,771,085,407,425,936
5. Step 5: Solve for x
   x = 4,771,085,407,425,936/31,987,959
6. Step 6: Final answer
   x = 149,152,542.29