Finding the Third Proportional to 28,761.75 and 42,320.81

Step by Step Solution

1. Step 1: Write the proportion equation
   28,761.75 : 42,320.81 = 42,320.81 : x
2. Step 2: Convert to fraction form
   28,761.75/42,320.81 = 42,320.81/x
3. Step 3: Cross multiply
   28,761.75x = 42,320.81 × 42,320.81
4. Step 4: Simplify right side
   28,761.75x = 1,791,051,170.66
5. Step 5: Solve for x
   x = 1,791,051,170.66/28,761.75
6. Step 6: Final answer
   x = 62,271.98