Finding the Third Proportional to 43,429.50 and 68,824.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,429.50 : 68,824.50 = 68,824.50 : x
2. Step 2: Convert to fraction form
   43,429.50/68,824.50 = 68,824.50/x
3. Step 3: Cross multiply
   43,429.50x = 68,824.50 × 68,824.50
4. Step 4: Simplify right side
   43,429.50x = 4,736,811,800.25
5. Step 5: Solve for x
   x = 4,736,811,800.25/43,429.50
6. Step 6: Final answer
   x = 109,068.99