Finding the Third Proportional to 163,381.50 and 353,904

Step by Step Solution

1. Step 1: Write the proportion equation
   163,381.50 : 353,904 = 353,904 : x
2. Step 2: Convert to fraction form
   163,381.50/353,904 = 353,904/x
3. Step 3: Cross multiply
   163,381.50x = 353,904 × 353,904
4. Step 4: Simplify right side
   163,381.50x = 125,248,041,216
5. Step 5: Solve for x
   x = 125,248,041,216/163,381.50
6. Step 6: Final answer
   x = 766,598.67