Finding the Third Proportional to 539,658 and 1,172,624

Step by Step Solution

1. Step 1: Write the proportion equation
   539,658 : 1,172,624 = 1,172,624 : x
2. Step 2: Convert to fraction form
   539,658/1,172,624 = 1,172,624/x
3. Step 3: Cross multiply
   539,658x = 1,172,624 × 1,172,624
4. Step 4: Simplify right side
   539,658x = 1,375,047,045,376
5. Step 5: Solve for x
   x = 1,375,047,045,376/539,658
6. Step 6: Final answer
   x = 2,547,997.15