Finding the Third Proportional to 152,725.50 and 321,435.84

Step by Step Solution

1. Step 1: Write the proportion equation
   152,725.50 : 321,435.84 = 321,435.84 : x
2. Step 2: Convert to fraction form
   152,725.50/321,435.84 = 321,435.84/x
3. Step 3: Cross multiply
   152,725.50x = 321,435.84 × 321,435.84
4. Step 4: Simplify right side
   152,725.50x = 103,321,001,647.27
5. Step 5: Solve for x
   x = 103,321,001,647.27/152,725.50
6. Step 6: Final answer
   x = 676,514.41