Finding the Third Proportional to 366,751.50 and 561,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   366,751.50 : 561,025.50 = 561,025.50 : x
2. Step 2: Convert to fraction form
   366,751.50/561,025.50 = 561,025.50/x
3. Step 3: Cross multiply
   366,751.50x = 561,025.50 × 561,025.50
4. Step 4: Simplify right side
   366,751.50x = 314,749,611,650.25
5. Step 5: Solve for x
   x = 314,749,611,650.25/366,751.50
6. Step 6: Final answer
   x = 858,209.47