Finding the Third Proportional to 49,407.75 and 76,430.25

Step by Step Solution

1. Step 1: Write the proportion equation
   49,407.75 : 76,430.25 = 76,430.25 : x
2. Step 2: Convert to fraction form
   49,407.75/76,430.25 = 76,430.25/x
3. Step 3: Cross multiply
   49,407.75x = 76,430.25 × 76,430.25
4. Step 4: Simplify right side
   49,407.75x = 5,841,583,115.06
5. Step 5: Solve for x
   x = 5,841,583,115.06/49,407.75
6. Step 6: Final answer
   x = 118,232.12