Finding the Third Proportional to 170,646 and 372,394.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,646 : 372,394.50 = 372,394.50 : x
2. Step 2: Convert to fraction form
   170,646/372,394.50 = 372,394.50/x
3. Step 3: Cross multiply
   170,646x = 372,394.50 × 372,394.50
4. Step 4: Simplify right side
   170,646x = 138,677,663,630.25
5. Step 5: Solve for x
   x = 138,677,663,630.25/170,646
6. Step 6: Final answer
   x = 812,662.84