Finding the Third Proportional to 748,315 and 1,641,505

Step by Step Solution

1. Step 1: Write the proportion equation
   748,315 : 1,641,505 = 1,641,505 : x
2. Step 2: Convert to fraction form
   748,315/1,641,505 = 1,641,505/x
3. Step 3: Cross multiply
   748,315x = 1,641,505 × 1,641,505
4. Step 4: Simplify right side
   748,315x = 2,694,538,665,025
5. Step 5: Solve for x
   x = 2,694,538,665,025/748,315
6. Step 6: Final answer
   x = 3,600,808.04