Finding the Third Proportional to 8,139,047 and 17,693,812

Step by Step Solution

1. Step 1: Write the proportion equation
   8,139,047 : 17,693,812 = 17,693,812 : x
2. Step 2: Convert to fraction form
   8,139,047/17,693,812 = 17,693,812/x
3. Step 3: Cross multiply
   8,139,047x = 17,693,812 × 17,693,812
4. Step 4: Simplify right side
   8,139,047x = 313,070,983,091,344
5. Step 5: Solve for x
   x = 313,070,983,091,344/8,139,047
6. Step 6: Final answer
   x = 38,465,312.10