Finding the Third Proportional to 49,209.75 and 76,343.63

Step by Step Solution

1. Step 1: Write the proportion equation
   49,209.75 : 76,343.63 = 76,343.63 : x
2. Step 2: Convert to fraction form
   49,209.75/76,343.63 = 76,343.63/x
3. Step 3: Cross multiply
   49,209.75x = 76,343.63 × 76,343.63
4. Step 4: Simplify right side
   49,209.75x = 5,828,349,078.14
5. Step 5: Solve for x
   x = 5,828,349,078.14/49,209.75
6. Step 6: Final answer
   x = 118,438.91