Finding the Third Proportional to 747,684 and 1,644,832

Step by Step Solution

1. Step 1: Write the proportion equation
   747,684 : 1,644,832 = 1,644,832 : x
2. Step 2: Convert to fraction form
   747,684/1,644,832 = 1,644,832/x
3. Step 3: Cross multiply
   747,684x = 1,644,832 × 1,644,832
4. Step 4: Simplify right side
   747,684x = 2,705,472,308,224
5. Step 5: Solve for x
   x = 2,705,472,308,224/747,684
6. Step 6: Final answer
   x = 3,618,470.25