Finding the Third Proportional to 174,526.88 and 280,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,526.88 : 280,012.50 = 280,012.50 : x
2. Step 2: Convert to fraction form
   174,526.88/280,012.50 = 280,012.50/x
3. Step 3: Cross multiply
   174,526.88x = 280,012.50 × 280,012.50
4. Step 4: Simplify right side
   174,526.88x = 78,407,000,156.25
5. Step 5: Solve for x
   x = 78,407,000,156.25/174,526.88
6. Step 6: Final answer
   x = 449,254.59