Finding the Third Proportional to 19,802,675 and 31,509,948

Step by Step Solution

1. Step 1: Write the proportion equation
   19,802,675 : 31,509,948 = 31,509,948 : x
2. Step 2: Convert to fraction form
   19,802,675/31,509,948 = 31,509,948/x
3. Step 3: Cross multiply
   19,802,675x = 31,509,948 × 31,509,948
4. Step 4: Simplify right side
   19,802,675x = 992,876,822,962,704
5. Step 5: Solve for x
   x = 992,876,822,962,704/19,802,675
6. Step 6: Final answer
   x = 50,138,520.32