Finding the Third Proportional to 26,106.19 and 42,034.78

Step by Step Solution

1. Step 1: Write the proportion equation
   26,106.19 : 42,034.78 = 42,034.78 : x
2. Step 2: Convert to fraction form
   26,106.19/42,034.78 = 42,034.78/x
3. Step 3: Cross multiply
   26,106.19x = 42,034.78 × 42,034.78
4. Step 4: Simplify right side
   26,106.19x = 1,766,922,834.74
5. Step 5: Solve for x
   x = 1,766,922,834.74/26,106.19
6. Step 6: Final answer
   x = 67,682.15