Finding the Third Proportional to 28,203.19 and 42,310.48

Step by Step Solution

1. Step 1: Write the proportion equation
   28,203.19 : 42,310.48 = 42,310.48 : x
2. Step 2: Convert to fraction form
   28,203.19/42,310.48 = 42,310.48/x
3. Step 3: Cross multiply
   28,203.19x = 42,310.48 × 42,310.48
4. Step 4: Simplify right side
   28,203.19x = 1,790,176,426.95
5. Step 5: Solve for x
   x = 1,790,176,426.95/28,203.19
6. Step 6: Final answer
   x = 63,474.26