Finding the Third Proportional to 11,139,009.56 and 17,724,354.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,139,009.56 : 17,724,354.56 = 17,724,354.56 : x
2. Step 2: Convert to fraction form
   11,139,009.56/17,724,354.56 = 17,724,354.56/x
3. Step 3: Cross multiply
   11,139,009.56x = 17,724,354.56 × 17,724,354.56
4. Step 4: Simplify right side
   11,139,009.56x = 314,152,744,657,214.56
5. Step 5: Solve for x
   x = 314,152,744,657,214.56/11,139,009.56
6. Step 6: Final answer
   x = 28,202,933.38