Finding the Third Proportional to 156,646 and 331,152

Step by Step Solution

1. Step 1: Write the proportion equation
   156,646 : 331,152 = 331,152 : x
2. Step 2: Convert to fraction form
   156,646/331,152 = 331,152/x
3. Step 3: Cross multiply
   156,646x = 331,152 × 331,152
4. Step 4: Simplify right side
   156,646x = 109,661,647,104
5. Step 5: Solve for x
   x = 109,661,647,104/156,646
6. Step 6: Final answer
   x = 700,060.31