Finding the Third Proportional to 170,086 and 372,396.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,086 : 372,396.50 = 372,396.50 : x
2. Step 2: Convert to fraction form
   170,086/372,396.50 = 372,396.50/x
3. Step 3: Cross multiply
   170,086x = 372,396.50 × 372,396.50
4. Step 4: Simplify right side
   170,086x = 138,679,153,212.25
5. Step 5: Solve for x
   x = 138,679,153,212.25/170,086
6. Step 6: Final answer
   x = 815,347.25