Finding the Third Proportional to 1,617,952 and 3,518,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,952 : 3,518,280 = 3,518,280 : x
2. Step 2: Convert to fraction form
   1,617,952/3,518,280 = 3,518,280/x
3. Step 3: Cross multiply
   1,617,952x = 3,518,280 × 3,518,280
4. Step 4: Simplify right side
   1,617,952x = 12,378,294,158,400
5. Step 5: Solve for x
   x = 12,378,294,158,400/1,617,952
6. Step 6: Final answer
   x = 7,650,594.18