Finding the Third Proportional to 55,516.50 and 72,888.75

Step by Step Solution

1. Step 1: Write the proportion equation
   55,516.50 : 72,888.75 = 72,888.75 : x
2. Step 2: Convert to fraction form
   55,516.50/72,888.75 = 72,888.75/x
3. Step 3: Cross multiply
   55,516.50x = 72,888.75 × 72,888.75
4. Step 4: Simplify right side
   55,516.50x = 5,312,769,876.56
5. Step 5: Solve for x
   x = 5,312,769,876.56/55,516.50
6. Step 6: Final answer
   x = 95,697.13