Finding the Third Proportional to 49,207.50 and 76,886.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,207.50 : 76,886.72 = 76,886.72 : x
2. Step 2: Convert to fraction form
   49,207.50/76,886.72 = 76,886.72/x
3. Step 3: Cross multiply
   49,207.50x = 76,886.72 × 76,886.72
4. Step 4: Simplify right side
   49,207.50x = 5,911,567,520.14
5. Step 5: Solve for x
   x = 5,911,567,520.14/49,207.50
6. Step 6: Final answer
   x = 120,135.50