Finding the Third Proportional to 28,415.25 and 42,622.88

Step by Step Solution

1. Step 1: Write the proportion equation
   28,415.25 : 42,622.88 = 42,622.88 : x
2. Step 2: Convert to fraction form
   28,415.25/42,622.88 = 42,622.88/x
3. Step 3: Cross multiply
   28,415.25x = 42,622.88 × 42,622.88
4. Step 4: Simplify right side
   28,415.25x = 1,816,709,473.27
5. Step 5: Solve for x
   x = 1,816,709,473.27/28,415.25
6. Step 6: Final answer
   x = 63,934.31