Finding the Third Proportional to 156,774 and 336,012

Step by Step Solution

1. Step 1: Write the proportion equation
   156,774 : 336,012 = 336,012 : x
2. Step 2: Convert to fraction form
   156,774/336,012 = 336,012/x
3. Step 3: Cross multiply
   156,774x = 336,012 × 336,012
4. Step 4: Simplify right side
   156,774x = 112,904,064,144
5. Step 5: Solve for x
   x = 112,904,064,144/156,774
6. Step 6: Final answer
   x = 720,170.85