Finding the Third Proportional to 28,229.77 and 42,348.45

Step by Step Solution

1. Step 1: Write the proportion equation
   28,229.77 : 42,348.45 = 42,348.45 : x
2. Step 2: Convert to fraction form
   28,229.77/42,348.45 = 42,348.45/x
3. Step 3: Cross multiply
   28,229.77x = 42,348.45 × 42,348.45
4. Step 4: Simplify right side
   28,229.77x = 1,793,390,820.39
5. Step 5: Solve for x
   x = 1,793,390,820.39/28,229.77
6. Step 6: Final answer
   x = 63,528.36