Finding the Third Proportional to 31,987,219 and 69,653,798

Step by Step Solution

1. Step 1: Write the proportion equation
   31,987,219 : 69,653,798 = 69,653,798 : x
2. Step 2: Convert to fraction form
   31,987,219/69,653,798 = 69,653,798/x
3. Step 3: Cross multiply
   31,987,219x = 69,653,798 × 69,653,798
4. Step 4: Simplify right side
   31,987,219x = 4,851,651,575,824,804
5. Step 5: Solve for x
   x = 4,851,651,575,824,804/31,987,219
6. Step 6: Final answer
   x = 151,674,691.56