Finding the Third Proportional to 51,333.75 and 68,666.06

Step by Step Solution

1. Step 1: Write the proportion equation
   51,333.75 : 68,666.06 = 68,666.06 : x
2. Step 2: Convert to fraction form
   51,333.75/68,666.06 = 68,666.06/x
3. Step 3: Cross multiply
   51,333.75x = 68,666.06 × 68,666.06
4. Step 4: Simplify right side
   51,333.75x = 4,715,028,139.25
5. Step 5: Solve for x
   x = 4,715,028,139.25/51,333.75
6. Step 6: Final answer
   x = 91,850.45