Finding the Third Proportional to 26,991.98 and 43,123.01

Step by Step Solution

1. Step 1: Write the proportion equation
   26,991.98 : 43,123.01 = 43,123.01 : x
2. Step 2: Convert to fraction form
   26,991.98/43,123.01 = 43,123.01/x
3. Step 3: Cross multiply
   26,991.98x = 43,123.01 × 43,123.01
4. Step 4: Simplify right side
   26,991.98x = 1,859,593,802.80
5. Step 5: Solve for x
   x = 1,859,593,802.80/26,991.98
6. Step 6: Final answer
   x = 68,894.30