Finding the Third Proportional to 156,673 and 334,485

Step by Step Solution

1. Step 1: Write the proportion equation
   156,673 : 334,485 = 334,485 : x
2. Step 2: Convert to fraction form
   156,673/334,485 = 334,485/x
3. Step 3: Cross multiply
   156,673x = 334,485 × 334,485
4. Step 4: Simplify right side
   156,673x = 111,880,215,225
5. Step 5: Solve for x
   x = 111,880,215,225/156,673
6. Step 6: Final answer
   x = 714,100.17