Finding the Third Proportional to 156,770 and 336,004

Step by Step Solution

1. Step 1: Write the proportion equation
   156,770 : 336,004 = 336,004 : x
2. Step 2: Convert to fraction form
   156,770/336,004 = 336,004/x
3. Step 3: Cross multiply
   156,770x = 336,004 × 336,004
4. Step 4: Simplify right side
   156,770x = 112,898,688,016
5. Step 5: Solve for x
   x = 112,898,688,016/156,770
6. Step 6: Final answer
   x = 720,154.93