Finding the Third Proportional to 123,374 and 267,889.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,374 : 267,889.50 = 267,889.50 : x
2. Step 2: Convert to fraction form
   123,374/267,889.50 = 267,889.50/x
3. Step 3: Cross multiply
   123,374x = 267,889.50 × 267,889.50
4. Step 4: Simplify right side
   123,374x = 71,764,784,210.25
5. Step 5: Solve for x
   x = 71,764,784,210.25/123,374
6. Step 6: Final answer
   x = 581,684.83