Finding the Third Proportional to 152,928 and 359,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,928 : 359,806.50 = 359,806.50 : x
2. Step 2: Convert to fraction form
   152,928/359,806.50 = 359,806.50/x
3. Step 3: Cross multiply
   152,928x = 359,806.50 × 359,806.50
4. Step 4: Simplify right side
   152,928x = 129,460,717,442.25
5. Step 5: Solve for x
   x = 129,460,717,442.25/152,928
6. Step 6: Final answer
   x = 846,546.86