Finding the Third Proportional to 162,053 and 245,315

Step by Step Solution

1. Step 1: Write the proportion equation
   162,053 : 245,315 = 245,315 : x
2. Step 2: Convert to fraction form
   162,053/245,315 = 245,315/x
3. Step 3: Cross multiply
   162,053x = 245,315 × 245,315
4. Step 4: Simplify right side
   162,053x = 60,179,449,225
5. Step 5: Solve for x
   x = 60,179,449,225/162,053
6. Step 6: Final answer
   x = 371,356.59