Finding the Third Proportional to 27,109.69 and 43,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,109.69 : 43,294.50 = 43,294.50 : x
2. Step 2: Convert to fraction form
   27,109.69/43,294.50 = 43,294.50/x
3. Step 3: Cross multiply
   27,109.69x = 43,294.50 × 43,294.50
4. Step 4: Simplify right side
   27,109.69x = 1,874,413,730.25
5. Step 5: Solve for x
   x = 1,874,413,730.25/27,109.69
6. Step 6: Final answer
   x = 69,141.84