Finding the Third Proportional to 31,986,488 and 69,652,336

Step by Step Solution

1. Step 1: Write the proportion equation
   31,986,488 : 69,652,336 = 69,652,336 : x
2. Step 2: Convert to fraction form
   31,986,488/69,652,336 = 69,652,336/x
3. Step 3: Cross multiply
   31,986,488x = 69,652,336 × 69,652,336
4. Step 4: Simplify right side
   31,986,488x = 4,851,447,910,256,896
5. Step 5: Solve for x
   x = 4,851,447,910,256,896/31,986,488
6. Step 6: Final answer
   x = 151,671,790.61