Finding the Third Proportional to 131,301 and 191,209.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,301 : 191,209.50 = 191,209.50 : x
2. Step 2: Convert to fraction form
   131,301/191,209.50 = 191,209.50/x
3. Step 3: Cross multiply
   131,301x = 191,209.50 × 191,209.50
4. Step 4: Simplify right side
   131,301x = 36,561,072,890.25
5. Step 5: Solve for x
   x = 36,561,072,890.25/131,301
6. Step 6: Final answer
   x = 278,452.36