Finding the Third Proportional to 147,703.50 and 356,103

Step by Step Solution

1. Step 1: Write the proportion equation
   147,703.50 : 356,103 = 356,103 : x
2. Step 2: Convert to fraction form
   147,703.50/356,103 = 356,103/x
3. Step 3: Cross multiply
   147,703.50x = 356,103 × 356,103
4. Step 4: Simplify right side
   147,703.50x = 126,809,346,609
5. Step 5: Solve for x
   x = 126,809,346,609/147,703.50
6. Step 6: Final answer
   x = 858,539.89