Finding the Third Proportional to 272,002.50 and 584,145

Step by Step Solution

1. Step 1: Write the proportion equation
   272,002.50 : 584,145 = 584,145 : x
2. Step 2: Convert to fraction form
   272,002.50/584,145 = 584,145/x
3. Step 3: Cross multiply
   272,002.50x = 584,145 × 584,145
4. Step 4: Simplify right side
   272,002.50x = 341,225,381,025
5. Step 5: Solve for x
   x = 341,225,381,025/272,002.50
6. Step 6: Final answer
   x = 1,254,493.55