Finding the Third Proportional to 49,317 and 72,243

Step by Step Solution

1. Step 1: Write the proportion equation
   49,317 : 72,243 = 72,243 : x
2. Step 2: Convert to fraction form
   49,317/72,243 = 72,243/x
3. Step 3: Cross multiply
   49,317x = 72,243 × 72,243
4. Step 4: Simplify right side
   49,317x = 5,219,051,049
5. Step 5: Solve for x
   x = 5,219,051,049/49,317
6. Step 6: Final answer
   x = 105,826.61