Finding the Third Proportional to 28,275 and 42,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,275 : 42,475.50 = 42,475.50 : x
2. Step 2: Convert to fraction form
   28,275/42,475.50 = 42,475.50/x
3. Step 3: Cross multiply
   28,275x = 42,475.50 × 42,475.50
4. Step 4: Simplify right side
   28,275x = 1,804,168,100.25
5. Step 5: Solve for x
   x = 1,804,168,100.25/28,275
6. Step 6: Final answer
   x = 63,807.89