Finding the Third Proportional to 170,286 and 365,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,286 : 365,038.50 = 365,038.50 : x
2. Step 2: Convert to fraction form
   170,286/365,038.50 = 365,038.50/x
3. Step 3: Cross multiply
   170,286x = 365,038.50 × 365,038.50
4. Step 4: Simplify right side
   170,286x = 133,253,106,482.25
5. Step 5: Solve for x
   x = 133,253,106,482.25/170,286
6. Step 6: Final answer
   x = 782,525.32