Finding the Third Proportional to 169,722 and 353,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   169,722 : 353,389.50 = 353,389.50 : x
2. Step 2: Convert to fraction form
   169,722/353,389.50 = 353,389.50/x
3. Step 3: Cross multiply
   169,722x = 353,389.50 × 353,389.50
4. Step 4: Simplify right side
   169,722x = 124,884,138,710.25
5. Step 5: Solve for x
   x = 124,884,138,710.25/169,722
6. Step 6: Final answer
   x = 735,815.86