Finding the Third Proportional to 1,229,598 and 2,520,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229,598 : 2,520,432 = 2,520,432 : x
2. Step 2: Convert to fraction form
   1,229,598/2,520,432 = 2,520,432/x
3. Step 3: Cross multiply
   1,229,598x = 2,520,432 × 2,520,432
4. Step 4: Simplify right side
   1,229,598x = 6,352,577,466,624
5. Step 5: Solve for x
   x = 6,352,577,466,624/1,229,598
6. Step 6: Final answer
   x = 5,166,385.65