Finding the Third Proportional to 49,256.86 and 76,425.40

Step by Step Solution

1. Step 1: Write the proportion equation
   49,256.86 : 76,425.40 = 76,425.40 : x
2. Step 2: Convert to fraction form
   49,256.86/76,425.40 = 76,425.40/x
3. Step 3: Cross multiply
   49,256.86x = 76,425.40 × 76,425.40
4. Step 4: Simplify right side
   49,256.86x = 5,840,841,526.33
5. Step 5: Solve for x
   x = 5,840,841,526.33/49,256.86
6. Step 6: Final answer
   x = 118,579.25