Finding the Third Proportional to 165,775.50 and 354,819

Step by Step Solution

1. Step 1: Write the proportion equation
   165,775.50 : 354,819 = 354,819 : x
2. Step 2: Convert to fraction form
   165,775.50/354,819 = 354,819/x
3. Step 3: Cross multiply
   165,775.50x = 354,819 × 354,819
4. Step 4: Simplify right side
   165,775.50x = 125,896,522,761
5. Step 5: Solve for x
   x = 125,896,522,761/165,775.50
6. Step 6: Final answer
   x = 759,439.86