Finding the Third Proportional to 51,358.50 and 76,875.75

Step by Step Solution

1. Step 1: Write the proportion equation
   51,358.50 : 76,875.75 = 76,875.75 : x
2. Step 2: Convert to fraction form
   51,358.50/76,875.75 = 76,875.75/x
3. Step 3: Cross multiply
   51,358.50x = 76,875.75 × 76,875.75
4. Step 4: Simplify right side
   51,358.50x = 5,909,880,938.06
5. Step 5: Solve for x
   x = 5,909,880,938.06/51,358.50
6. Step 6: Final answer
   x = 115,071.14