Finding the Third Proportional to 143,316 and 334,665

Step by Step Solution

1. Step 1: Write the proportion equation
   143,316 : 334,665 = 334,665 : x
2. Step 2: Convert to fraction form
   143,316/334,665 = 334,665/x
3. Step 3: Cross multiply
   143,316x = 334,665 × 334,665
4. Step 4: Simplify right side
   143,316x = 112,000,662,225
5. Step 5: Solve for x
   x = 112,000,662,225/143,316
6. Step 6: Final answer
   x = 781,494.48