Finding the Third Proportional to 17,690,681 and 37,840,653

Step by Step Solution

1. Step 1: Write the proportion equation
   17,690,681 : 37,840,653 = 37,840,653 : x
2. Step 2: Convert to fraction form
   17,690,681/37,840,653 = 37,840,653/x
3. Step 3: Cross multiply
   17,690,681x = 37,840,653 × 37,840,653
4. Step 4: Simplify right side
   17,690,681x = 1,431,915,019,466,409
5. Step 5: Solve for x
   x = 1,431,915,019,466,409/17,690,681
6. Step 6: Final answer
   x = 80,941,769.26