Finding the Third Proportional to 131,301 and 191,210.63

Step by Step Solution

1. Step 1: Write the proportion equation
   131,301 : 191,210.63 = 191,210.63 : x
2. Step 2: Convert to fraction form
   131,301/191,210.63 = 191,210.63/x
3. Step 3: Cross multiply
   131,301x = 191,210.63 × 191,210.63
4. Step 4: Simplify right side
   131,301x = 36,561,503,112.89
5. Step 5: Solve for x
   x = 36,561,503,112.89/131,301
6. Step 6: Final answer
   x = 278,455.63