Finding the Third Proportional to 53,674.50 and 71,838.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,674.50 : 71,838.75 = 71,838.75 : x
2. Step 2: Convert to fraction form
   53,674.50/71,838.75 = 71,838.75/x
3. Step 3: Cross multiply
   53,674.50x = 71,838.75 × 71,838.75
4. Step 4: Simplify right side
   53,674.50x = 5,160,806,001.56
5. Step 5: Solve for x
   x = 5,160,806,001.56/53,674.50
6. Step 6: Final answer
   x = 96,150.05