Finding the Third Proportional to 12,875 and 28,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,875 : 28,210.50 = 28,210.50 : x
2. Step 2: Convert to fraction form
   12,875/28,210.50 = 28,210.50/x
3. Step 3: Cross multiply
   12,875x = 28,210.50 × 28,210.50
4. Step 4: Simplify right side
   12,875x = 795,832,310.25
5. Step 5: Solve for x
   x = 795,832,310.25/12,875
6. Step 6: Final answer
   x = 61,812.22