Finding the Third Proportional to 162,426.38 and 391,304.25

Step by Step Solution

1. Step 1: Write the proportion equation
   162,426.38 : 391,304.25 = 391,304.25 : x
2. Step 2: Convert to fraction form
   162,426.38/391,304.25 = 391,304.25/x
3. Step 3: Cross multiply
   162,426.38x = 391,304.25 × 391,304.25
4. Step 4: Simplify right side
   162,426.38x = 153,119,016,068.06
5. Step 5: Solve for x
   x = 153,119,016,068.06/162,426.38
6. Step 6: Final answer
   x = 942,697.98