Finding the Third Proportional to 76,481.50 and 107,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,481.50 : 107,510.50 = 107,510.50 : x
2. Step 2: Convert to fraction form
   76,481.50/107,510.50 = 107,510.50/x
3. Step 3: Cross multiply
   76,481.50x = 107,510.50 × 107,510.50
4. Step 4: Simplify right side
   76,481.50x = 11,558,507,610.25
5. Step 5: Solve for x
   x = 11,558,507,610.25/76,481.50
6. Step 6: Final answer
   x = 151,128.15