Finding the Third Proportional to 169,123.50 and 267,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   169,123.50 : 267,601.50 = 267,601.50 : x
2. Step 2: Convert to fraction form
   169,123.50/267,601.50 = 267,601.50/x
3. Step 3: Cross multiply
   169,123.50x = 267,601.50 × 267,601.50
4. Step 4: Simplify right side
   169,123.50x = 71,610,562,802.25
5. Step 5: Solve for x
   x = 71,610,562,802.25/169,123.50
6. Step 6: Final answer
   x = 423,421.72