Finding the Third Proportional to 166,015.50 and 249,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,015.50 : 249,145.50 = 249,145.50 : x
2. Step 2: Convert to fraction form
   166,015.50/249,145.50 = 249,145.50/x
3. Step 3: Cross multiply
   166,015.50x = 249,145.50 × 249,145.50
4. Step 4: Simplify right side
   166,015.50x = 62,073,480,170.25
5. Step 5: Solve for x
   x = 62,073,480,170.25/166,015.50
6. Step 6: Final answer
   x = 373,901.72