Finding the Third Proportional to 72,106 and 156,374

Step by Step Solution

1. Step 1: Write the proportion equation
   72,106 : 156,374 = 156,374 : x
2. Step 2: Convert to fraction form
   72,106/156,374 = 156,374/x
3. Step 3: Cross multiply
   72,106x = 156,374 × 156,374
4. Step 4: Simplify right side
   72,106x = 24,452,827,876
5. Step 5: Solve for x
   x = 24,452,827,876/72,106
6. Step 6: Final answer
   x = 339,123.34