Finding the Third Proportional to 28,482 and 42,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,482 : 42,718.50 = 42,718.50 : x
2. Step 2: Convert to fraction form
   28,482/42,718.50 = 42,718.50/x
3. Step 3: Cross multiply
   28,482x = 42,718.50 × 42,718.50
4. Step 4: Simplify right side
   28,482x = 1,824,870,242.25
5. Step 5: Solve for x
   x = 1,824,870,242.25/28,482
6. Step 6: Final answer
   x = 64,071.00