Finding the Third Proportional to 28,202.77 and 42,310.27

Step by Step Solution

1. Step 1: Write the proportion equation
   28,202.77 : 42,310.27 = 42,310.27 : x
2. Step 2: Convert to fraction form
   28,202.77/42,310.27 = 42,310.27/x
3. Step 3: Cross multiply
   28,202.77x = 42,310.27 × 42,310.27
4. Step 4: Simplify right side
   28,202.77x = 1,790,158,577.26
5. Step 5: Solve for x
   x = 1,790,158,577.26/28,202.77
6. Step 6: Final answer
   x = 63,474.58