Finding the Third Proportional to 19,858.50 and 29,179.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,858.50 : 29,179.69 = 29,179.69 : x
2. Step 2: Convert to fraction form
   19,858.50/29,179.69 = 29,179.69/x
3. Step 3: Cross multiply
   19,858.50x = 29,179.69 × 29,179.69
4. Step 4: Simplify right side
   19,858.50x = 851,454,162.60
5. Step 5: Solve for x
   x = 851,454,162.60/19,858.50
6. Step 6: Final answer
   x = 42,876.06