Finding the Third Proportional to 30,220.50 and 42,482.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,220.50 : 42,482.25 = 42,482.25 : x
2. Step 2: Convert to fraction form
   30,220.50/42,482.25 = 42,482.25/x
3. Step 3: Cross multiply
   30,220.50x = 42,482.25 × 42,482.25
4. Step 4: Simplify right side
   30,220.50x = 1,804,741,565.06
5. Step 5: Solve for x
   x = 1,804,741,565.06/30,220.50
6. Step 6: Final answer
   x = 59,719.12