Finding the Third Proportional to 11,139,004.50 and 17,724,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,139,004.50 : 17,724,345.50 = 17,724,345.50 : x
2. Step 2: Convert to fraction form
   11,139,004.50/17,724,345.50 = 17,724,345.50/x
3. Step 3: Cross multiply
   11,139,004.50x = 17,724,345.50 × 17,724,345.50
4. Step 4: Simplify right side
   11,139,004.50x = 314,152,423,403,370.25
5. Step 5: Solve for x
   x = 314,152,423,403,370.25/11,139,004.50
6. Step 6: Final answer
   x = 28,202,917.36