Finding the Third Proportional to 170,086.50 and 369,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,086.50 : 369,697.50 = 369,697.50 : x
2. Step 2: Convert to fraction form
   170,086.50/369,697.50 = 369,697.50/x
3. Step 3: Cross multiply
   170,086.50x = 369,697.50 × 369,697.50
4. Step 4: Simplify right side
   170,086.50x = 136,676,241,506.25
5. Step 5: Solve for x
   x = 136,676,241,506.25/170,086.50
6. Step 6: Final answer
   x = 803,569.02