Finding the Third Proportional to 162,819.50 and 245,930.63

Step by Step Solution

1. Step 1: Write the proportion equation
   162,819.50 : 245,930.63 = 245,930.63 : x
2. Step 2: Convert to fraction form
   162,819.50/245,930.63 = 245,930.63/x
3. Step 3: Cross multiply
   162,819.50x = 245,930.63 × 245,930.63
4. Step 4: Simplify right side
   162,819.50x = 60,481,872,312.89
5. Step 5: Solve for x
   x = 60,481,872,312.89/162,819.50
6. Step 6: Final answer
   x = 371,465.78