Finding the Third Proportional to 51,394.50 and 74,904.75

Step by Step Solution

1. Step 1: Write the proportion equation
   51,394.50 : 74,904.75 = 74,904.75 : x
2. Step 2: Convert to fraction form
   51,394.50/74,904.75 = 74,904.75/x
3. Step 3: Cross multiply
   51,394.50x = 74,904.75 × 74,904.75
4. Step 4: Simplify right side
   51,394.50x = 5,610,721,572.56
5. Step 5: Solve for x
   x = 5,610,721,572.56/51,394.50
6. Step 6: Final answer
   x = 109,169.69