Finding the Third Proportional to 12,958.31 and 27,784.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,958.31 : 27,784.69 = 27,784.69 : x
2. Step 2: Convert to fraction form
   12,958.31/27,784.69 = 27,784.69/x
3. Step 3: Cross multiply
   12,958.31x = 27,784.69 × 27,784.69
4. Step 4: Simplify right side
   12,958.31x = 771,988,859.47
5. Step 5: Solve for x
   x = 771,988,859.47/12,958.31
6. Step 6: Final answer
   x = 59,574.80