Finding the Third Proportional to 169,740.50 and 353,428

Step by Step Solution

1. Step 1: Write the proportion equation
   169,740.50 : 353,428 = 353,428 : x
2. Step 2: Convert to fraction form
   169,740.50/353,428 = 353,428/x
3. Step 3: Cross multiply
   169,740.50x = 353,428 × 353,428
4. Step 4: Simplify right side
   169,740.50x = 124,911,351,184
5. Step 5: Solve for x
   x = 124,911,351,184/169,740.50
6. Step 6: Final answer
   x = 735,895.98