Finding the Third Proportional to 162,000 and 353,478.38

Step by Step Solution

1. Step 1: Write the proportion equation
   162,000 : 353,478.38 = 353,478.38 : x
2. Step 2: Convert to fraction form
   162,000/353,478.38 = 353,478.38/x
3. Step 3: Cross multiply
   162,000x = 353,478.38 × 353,478.38
4. Step 4: Simplify right side
   162,000x = 124,946,961,592.64
5. Step 5: Solve for x
   x = 124,946,961,592.64/162,000
6. Step 6: Final answer
   x = 771,277.54