Finding the Third Proportional to 38,709.56 and 54,510.05

Step by Step Solution

1. Step 1: Write the proportion equation
   38,709.56 : 54,510.05 = 54,510.05 : x
2. Step 2: Convert to fraction form
   38,709.56/54,510.05 = 54,510.05/x
3. Step 3: Cross multiply
   38,709.56x = 54,510.05 × 54,510.05
4. Step 4: Simplify right side
   38,709.56x = 2,971,345,210.31
5. Step 5: Solve for x
   x = 2,971,345,210.31/38,709.56
6. Step 6: Final answer
   x = 76,759.98