Finding the Third Proportional to 166,264.75 and 243,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,264.75 : 243,498.50 = 243,498.50 : x
2. Step 2: Convert to fraction form
   166,264.75/243,498.50 = 243,498.50/x
3. Step 3: Cross multiply
   166,264.75x = 243,498.50 × 243,498.50
4. Step 4: Simplify right side
   166,264.75x = 59,291,519,502.25
5. Step 5: Solve for x
   x = 59,291,519,502.25/166,264.75
6. Step 6: Final answer
   x = 356,609.08