Finding the Third Proportional to 43,426.13 and 68,819.63

Step by Step Solution

1. Step 1: Write the proportion equation
   43,426.13 : 68,819.63 = 68,819.63 : x
2. Step 2: Convert to fraction form
   43,426.13/68,819.63 = 68,819.63/x
3. Step 3: Cross multiply
   43,426.13x = 68,819.63 × 68,819.63
4. Step 4: Simplify right side
   43,426.13x = 4,736,140,785.14
5. Step 5: Solve for x
   x = 4,736,140,785.14/43,426.13
6. Step 6: Final answer
   x = 109,062.02