Finding the Third Proportional to 749,250 and 1,638,468

Step by Step Solution

1. Step 1: Write the proportion equation
   749,250 : 1,638,468 = 1,638,468 : x
2. Step 2: Convert to fraction form
   749,250/1,638,468 = 1,638,468/x
3. Step 3: Cross multiply
   749,250x = 1,638,468 × 1,638,468
4. Step 4: Simplify right side
   749,250x = 2,684,577,387,024
5. Step 5: Solve for x
   x = 2,684,577,387,024/749,250
6. Step 6: Final answer
   x = 3,583,019.54