Finding the Third Proportional to 17,842,472 and 37,986,640

Step by Step Solution

1. Step 1: Write the proportion equation
   17,842,472 : 37,986,640 = 37,986,640 : x
2. Step 2: Convert to fraction form
   17,842,472/37,986,640 = 37,986,640/x
3. Step 3: Cross multiply
   17,842,472x = 37,986,640 × 37,986,640
4. Step 4: Simplify right side
   17,842,472x = 1,442,984,818,489,600
5. Step 5: Solve for x
   x = 1,442,984,818,489,600/17,842,472
6. Step 6: Final answer
   x = 80,873,592.99