Finding the Third Proportional to 166,123 and 249,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,123 : 249,134.50 = 249,134.50 : x
2. Step 2: Convert to fraction form
   166,123/249,134.50 = 249,134.50/x
3. Step 3: Cross multiply
   166,123x = 249,134.50 × 249,134.50
4. Step 4: Simplify right side
   166,123x = 62,067,999,090.25
5. Step 5: Solve for x
   x = 62,067,999,090.25/166,123
6. Step 6: Final answer
   x = 373,626.77