Finding the Third Proportional to 17,640,920 and 37,984,891

Step by Step Solution

1. Step 1: Write the proportion equation
   17,640,920 : 37,984,891 = 37,984,891 : x
2. Step 2: Convert to fraction form
   17,640,920/37,984,891 = 37,984,891/x
3. Step 3: Cross multiply
   17,640,920x = 37,984,891 × 37,984,891
4. Step 4: Simplify right side
   17,640,920x = 1,442,851,944,281,881
5. Step 5: Solve for x
   x = 1,442,851,944,281,881/17,640,920
6. Step 6: Final answer
   x = 81,790,062.21