Finding the Third Proportional to 30,613.50 and 43,330.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,613.50 : 43,330.50 = 43,330.50 : x
2. Step 2: Convert to fraction form
   30,613.50/43,330.50 = 43,330.50/x
3. Step 3: Cross multiply
   30,613.50x = 43,330.50 × 43,330.50
4. Step 4: Simplify right side
   30,613.50x = 1,877,532,230.25
5. Step 5: Solve for x
   x = 1,877,532,230.25/30,613.50
6. Step 6: Final answer
   x = 61,330.20