Finding the Third Proportional to 12,961.50 and 28,359

Step by Step Solution

1. Step 1: Write the proportion equation
   12,961.50 : 28,359 = 28,359 : x
2. Step 2: Convert to fraction form
   12,961.50/28,359 = 28,359/x
3. Step 3: Cross multiply
   12,961.50x = 28,359 × 28,359
4. Step 4: Simplify right side
   12,961.50x = 804,232,881
5. Step 5: Solve for x
   x = 804,232,881/12,961.50
6. Step 6: Final answer
   x = 62,047.82