Finding the Third Proportional to 12,961.88 and 28,434.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,961.88 : 28,434.38 = 28,434.38 : x
2. Step 2: Convert to fraction form
   12,961.88/28,434.38 = 28,434.38/x
3. Step 3: Cross multiply
   12,961.88x = 28,434.38 × 28,434.38
4. Step 4: Simplify right side
   12,961.88x = 808,513,681.64
5. Step 5: Solve for x
   x = 808,513,681.64/12,961.88
6. Step 6: Final answer
   x = 62,376.29