Finding the Third Proportional to 30,731.63 and 62,591.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,731.63 : 62,591.06 = 62,591.06 : x
2. Step 2: Convert to fraction form
   30,731.63/62,591.06 = 62,591.06/x
3. Step 3: Cross multiply
   30,731.63x = 62,591.06 × 62,591.06
4. Step 4: Simplify right side
   30,731.63x = 3,917,641,104.88
5. Step 5: Solve for x
   x = 3,917,641,104.88/30,731.63
6. Step 6: Final answer
   x = 127,479.14