Finding the Third Proportional to 162,243 and 242,493.75

Step by Step Solution

1. Step 1: Write the proportion equation
   162,243 : 242,493.75 = 242,493.75 : x
2. Step 2: Convert to fraction form
   162,243/242,493.75 = 242,493.75/x
3. Step 3: Cross multiply
   162,243x = 242,493.75 × 242,493.75
4. Step 4: Simplify right side
   162,243x = 58,803,218,789.06
5. Step 5: Solve for x
   x = 58,803,218,789.06/162,243
6. Step 6: Final answer
   x = 362,439.17