Finding the Third Proportional to 143,037 and 273,060

Step by Step Solution

1. Step 1: Write the proportion equation
   143,037 : 273,060 = 273,060 : x
2. Step 2: Convert to fraction form
   143,037/273,060 = 273,060/x
3. Step 3: Cross multiply
   143,037x = 273,060 × 273,060
4. Step 4: Simplify right side
   143,037x = 74,561,763,600
5. Step 5: Solve for x
   x = 74,561,763,600/143,037
6. Step 6: Final answer
   x = 521,276.06