Finding the Third Proportional to 252,805.50 and 556,452

Step by Step Solution

1. Step 1: Write the proportion equation
   252,805.50 : 556,452 = 556,452 : x
2. Step 2: Convert to fraction form
   252,805.50/556,452 = 556,452/x
3. Step 3: Cross multiply
   252,805.50x = 556,452 × 556,452
4. Step 4: Simplify right side
   252,805.50x = 309,638,828,304
5. Step 5: Solve for x
   x = 309,638,828,304/252,805.50
6. Step 6: Final answer
   x = 1,224,810.49