Finding the Third Proportional to 7,812,642 and 17,138,020

Step by Step Solution

1. Step 1: Write the proportion equation
   7,812,642 : 17,138,020 = 17,138,020 : x
2. Step 2: Convert to fraction form
   7,812,642/17,138,020 = 17,138,020/x
3. Step 3: Cross multiply
   7,812,642x = 17,138,020 × 17,138,020
4. Step 4: Simplify right side
   7,812,642x = 293,711,729,520,400
5. Step 5: Solve for x
   x = 293,711,729,520,400/7,812,642
6. Step 6: Final answer
   x = 37,594,418.06