Finding the Third Proportional to 156,482 and 234,123

Step by Step Solution

1. Step 1: Write the proportion equation
   156,482 : 234,123 = 234,123 : x
2. Step 2: Convert to fraction form
   156,482/234,123 = 234,123/x
3. Step 3: Cross multiply
   156,482x = 234,123 × 234,123
4. Step 4: Simplify right side
   156,482x = 54,813,579,129
5. Step 5: Solve for x
   x = 54,813,579,129/156,482
6. Step 6: Final answer
   x = 350,286.80