Finding the Third Proportional to 51,252.75 and 76,899.38

Step by Step Solution

1. Step 1: Write the proportion equation
   51,252.75 : 76,899.38 = 76,899.38 : x
2. Step 2: Convert to fraction form
   51,252.75/76,899.38 = 76,899.38/x
3. Step 3: Cross multiply
   51,252.75x = 76,899.38 × 76,899.38
4. Step 4: Simplify right side
   51,252.75x = 5,913,513,875.39
5. Step 5: Solve for x
   x = 5,913,513,875.39/51,252.75
6. Step 6: Final answer
   x = 115,379.45