Finding the Third Proportional to 31,488,924 and 51,418,578

Step by Step Solution

1. Step 1: Write the proportion equation
   31,488,924 : 51,418,578 = 51,418,578 : x
2. Step 2: Convert to fraction form
   31,488,924/51,418,578 = 51,418,578/x
3. Step 3: Cross multiply
   31,488,924x = 51,418,578 × 51,418,578
4. Step 4: Simplify right side
   31,488,924x = 2,643,870,163,542,084
5. Step 5: Solve for x
   x = 2,643,870,163,542,084/31,488,924
6. Step 6: Final answer
   x = 83,961,908.75