Finding the Third Proportional to 166,239 and 252,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,239 : 252,112.50 = 252,112.50 : x
2. Step 2: Convert to fraction form
   166,239/252,112.50 = 252,112.50/x
3. Step 3: Cross multiply
   166,239x = 252,112.50 × 252,112.50
4. Step 4: Simplify right side
   166,239x = 63,560,712,656.25
5. Step 5: Solve for x
   x = 63,560,712,656.25/166,239
6. Step 6: Final answer
   x = 382,345.37