Finding the Third Proportional to 166,155 and 249,180

Step by Step Solution

1. Step 1: Write the proportion equation
   166,155 : 249,180 = 249,180 : x
2. Step 2: Convert to fraction form
   166,155/249,180 = 249,180/x
3. Step 3: Cross multiply
   166,155x = 249,180 × 249,180
4. Step 4: Simplify right side
   166,155x = 62,090,672,400
5. Step 5: Solve for x
   x = 62,090,672,400/166,155
6. Step 6: Final answer
   x = 373,691.27