Finding the Third Proportional to 359,518.50 and 563,962.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,518.50 : 563,962.50 = 563,962.50 : x
2. Step 2: Convert to fraction form
   359,518.50/563,962.50 = 563,962.50/x
3. Step 3: Cross multiply
   359,518.50x = 563,962.50 × 563,962.50
4. Step 4: Simplify right side
   359,518.50x = 318,053,701,406.25
5. Step 5: Solve for x
   x = 318,053,701,406.25/359,518.50
6. Step 6: Final answer
   x = 884,665.74