Finding the Third Proportional to 12,847 and 28,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,847 : 28,022.50 = 28,022.50 : x
2. Step 2: Convert to fraction form
   12,847/28,022.50 = 28,022.50/x
3. Step 3: Cross multiply
   12,847x = 28,022.50 × 28,022.50
4. Step 4: Simplify right side
   12,847x = 785,260,506.25
5. Step 5: Solve for x
   x = 785,260,506.25/12,847
6. Step 6: Final answer
   x = 61,124.04