Finding the Third Proportional to 11,139,016.50 and 17,724,364.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,139,016.50 : 17,724,364.75 = 17,724,364.75 : x
2. Step 2: Convert to fraction form
   11,139,016.50/17,724,364.75 = 17,724,364.75/x
3. Step 3: Cross multiply
   11,139,016.50x = 17,724,364.75 × 17,724,364.75
4. Step 4: Simplify right side
   11,139,016.50x = 314,153,105,791,042.56
5. Step 5: Solve for x
   x = 314,153,105,791,042.56/11,139,016.50
6. Step 6: Final answer
   x = 28,202,948.24