Finding the Third Proportional to 111,632 and 156,146

Step by Step Solution

1. Step 1: Write the proportion equation
   111,632 : 156,146 = 156,146 : x
2. Step 2: Convert to fraction form
   111,632/156,146 = 156,146/x
3. Step 3: Cross multiply
   111,632x = 156,146 × 156,146
4. Step 4: Simplify right side
   111,632x = 24,381,573,316
5. Step 5: Solve for x
   x = 24,381,573,316/111,632
6. Step 6: Final answer
   x = 218,410.25