Finding the Third Proportional to 28,765.13 and 38,611.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,765.13 : 38,611.69 = 38,611.69 : x
2. Step 2: Convert to fraction form
   28,765.13/38,611.69 = 38,611.69/x
3. Step 3: Cross multiply
   28,765.13x = 38,611.69 × 38,611.69
4. Step 4: Simplify right side
   28,765.13x = 1,490,862,411.60
5. Step 5: Solve for x
   x = 1,490,862,411.60/28,765.13
6. Step 6: Final answer
   x = 51,828.82