Finding the Third Proportional to 156,810 and 340,998

Step by Step Solution

1. Step 1: Write the proportion equation
   156,810 : 340,998 = 340,998 : x
2. Step 2: Convert to fraction form
   156,810/340,998 = 340,998/x
3. Step 3: Cross multiply
   156,810x = 340,998 × 340,998
4. Step 4: Simplify right side
   156,810x = 116,279,636,004
5. Step 5: Solve for x
   x = 116,279,636,004/156,810
6. Step 6: Final answer
   x = 741,532.02