Finding the Third Proportional to 162,263 and 355,065

Step by Step Solution

1. Step 1: Write the proportion equation
   162,263 : 355,065 = 355,065 : x
2. Step 2: Convert to fraction form
   162,263/355,065 = 355,065/x
3. Step 3: Cross multiply
   162,263x = 355,065 × 355,065
4. Step 4: Simplify right side
   162,263x = 126,071,154,225
5. Step 5: Solve for x
   x = 126,071,154,225/162,263
6. Step 6: Final answer
   x = 776,955.65