Finding the Third Proportional to 367,151.50 and 561,280

Step by Step Solution

1. Step 1: Write the proportion equation
   367,151.50 : 561,280 = 561,280 : x
2. Step 2: Convert to fraction form
   367,151.50/561,280 = 561,280/x
3. Step 3: Cross multiply
   367,151.50x = 561,280 × 561,280
4. Step 4: Simplify right side
   367,151.50x = 315,035,238,400
5. Step 5: Solve for x
   x = 315,035,238,400/367,151.50
6. Step 6: Final answer
   x = 858,052.43