Finding the Third Proportional to 49,456.50 and 75,430.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,456.50 : 75,430.50 = 75,430.50 : x
2. Step 2: Convert to fraction form
   49,456.50/75,430.50 = 75,430.50/x
3. Step 3: Cross multiply
   49,456.50x = 75,430.50 × 75,430.50
4. Step 4: Simplify right side
   49,456.50x = 5,689,760,330.25
5. Step 5: Solve for x
   x = 5,689,760,330.25/49,456.50
6. Step 6: Final answer
   x = 115,045.75