Finding the Third Proportional to 156,960 and 228,146

Step by Step Solution

1. Step 1: Write the proportion equation
   156,960 : 228,146 = 228,146 : x
2. Step 2: Convert to fraction form
   156,960/228,146 = 228,146/x
3. Step 3: Cross multiply
   156,960x = 228,146 × 228,146
4. Step 4: Simplify right side
   156,960x = 52,050,597,316
5. Step 5: Solve for x
   x = 52,050,597,316/156,960
6. Step 6: Final answer
   x = 331,616.96