Finding the Third Proportional to 252,523.50 and 561,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   252,523.50 : 561,100.50 = 561,100.50 : x
2. Step 2: Convert to fraction form
   252,523.50/561,100.50 = 561,100.50/x
3. Step 3: Cross multiply
   252,523.50x = 561,100.50 × 561,100.50
4. Step 4: Simplify right side
   252,523.50x = 314,833,771,100.25
5. Step 5: Solve for x
   x = 314,833,771,100.25/252,523.50
6. Step 6: Final answer
   x = 1,246,750.39