Finding the Third Proportional to 143,330 and 334,700

Step by Step Solution

1. Step 1: Write the proportion equation
   143,330 : 334,700 = 334,700 : x
2. Step 2: Convert to fraction form
   143,330/334,700 = 334,700/x
3. Step 3: Cross multiply
   143,330x = 334,700 × 334,700
4. Step 4: Simplify right side
   143,330x = 112,024,090,000
5. Step 5: Solve for x
   x = 112,024,090,000/143,330
6. Step 6: Final answer
   x = 781,581.59