Finding the Third Proportional to 53,140.50 and 70,854.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,140.50 : 70,854.75 = 70,854.75 : x
2. Step 2: Convert to fraction form
   53,140.50/70,854.75 = 70,854.75/x
3. Step 3: Cross multiply
   53,140.50x = 70,854.75 × 70,854.75
4. Step 4: Simplify right side
   53,140.50x = 5,020,395,597.56
5. Step 5: Solve for x
   x = 5,020,395,597.56/53,140.50
6. Step 6: Final answer
   x = 94,474.00