Finding the Third Proportional to 163,384.50 and 353,910

Step by Step Solution

1. Step 1: Write the proportion equation
   163,384.50 : 353,910 = 353,910 : x
2. Step 2: Convert to fraction form
   163,384.50/353,910 = 353,910/x
3. Step 3: Cross multiply
   163,384.50x = 353,910 × 353,910
4. Step 4: Simplify right side
   163,384.50x = 125,252,288,100
5. Step 5: Solve for x
   x = 125,252,288,100/163,384.50
6. Step 6: Final answer
   x = 766,610.59