Finding the Third Proportional to 26,389.69 and 53,853.19

Step by Step Solution

1. Step 1: Write the proportion equation
   26,389.69 : 53,853.19 = 53,853.19 : x
2. Step 2: Convert to fraction form
   26,389.69/53,853.19 = 53,853.19/x
3. Step 3: Cross multiply
   26,389.69x = 53,853.19 × 53,853.19
4. Step 4: Simplify right side
   26,389.69x = 2,900,165,803.91
5. Step 5: Solve for x
   x = 2,900,165,803.91/26,389.69
6. Step 6: Final answer
   x = 109,897.69