Finding the Third Proportional to 30,291 and 61,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,291 : 61,816.50 = 61,816.50 : x
2. Step 2: Convert to fraction form
   30,291/61,816.50 = 61,816.50/x
3. Step 3: Cross multiply
   30,291x = 61,816.50 × 61,816.50
4. Step 4: Simplify right side
   30,291x = 3,821,279,672.25
5. Step 5: Solve for x
   x = 3,821,279,672.25/30,291
6. Step 6: Final answer
   x = 126,152.31