Finding the Third Proportional to 127,459.50 and 280,083

Step by Step Solution

1. Step 1: Write the proportion equation
   127,459.50 : 280,083 = 280,083 : x
2. Step 2: Convert to fraction form
   127,459.50/280,083 = 280,083/x
3. Step 3: Cross multiply
   127,459.50x = 280,083 × 280,083
4. Step 4: Simplify right side
   127,459.50x = 78,446,486,889
5. Step 5: Solve for x
   x = 78,446,486,889/127,459.50
6. Step 6: Final answer
   x = 615,462.06