Finding the Third Proportional to 72,303 and 111,273

Step by Step Solution

1. Step 1: Write the proportion equation
   72,303 : 111,273 = 111,273 : x
2. Step 2: Convert to fraction form
   72,303/111,273 = 111,273/x
3. Step 3: Cross multiply
   72,303x = 111,273 × 111,273
4. Step 4: Simplify right side
   72,303x = 12,381,680,529
5. Step 5: Solve for x
   x = 12,381,680,529/72,303
6. Step 6: Final answer
   x = 171,247.12