Finding the Third Proportional to 747,648 and 1,614,816

Step by Step Solution

1. Step 1: Write the proportion equation
   747,648 : 1,614,816 = 1,614,816 : x
2. Step 2: Convert to fraction form
   747,648/1,614,816 = 1,614,816/x
3. Step 3: Cross multiply
   747,648x = 1,614,816 × 1,614,816
4. Step 4: Simplify right side
   747,648x = 2,607,630,713,856
5. Step 5: Solve for x
   x = 2,607,630,713,856/747,648
6. Step 6: Final answer
   x = 3,487,778.63