Finding the Third Proportional to 11,969,281.50 and 18,955,980

Step by Step Solution

1. Step 1: Write the proportion equation
   11,969,281.50 : 18,955,980 = 18,955,980 : x
2. Step 2: Convert to fraction form
   11,969,281.50/18,955,980 = 18,955,980/x
3. Step 3: Cross multiply
   11,969,281.50x = 18,955,980 × 18,955,980
4. Step 4: Simplify right side
   11,969,281.50x = 359,329,177,760,400
5. Step 5: Solve for x
   x = 359,329,177,760,400/11,969,281.50
6. Step 6: Final answer
   x = 30,020,948.02