Finding the Third Proportional to 30,574.50 and 63,486

Step by Step Solution

1. Step 1: Write the proportion equation
   30,574.50 : 63,486 = 63,486 : x
2. Step 2: Convert to fraction form
   30,574.50/63,486 = 63,486/x
3. Step 3: Cross multiply
   30,574.50x = 63,486 × 63,486
4. Step 4: Simplify right side
   30,574.50x = 4,030,472,196
5. Step 5: Solve for x
   x = 4,030,472,196/30,574.50
6. Step 6: Final answer
   x = 131,824.63