Finding the Third Proportional to 163,390.50 and 341,745

Step by Step Solution

1. Step 1: Write the proportion equation
   163,390.50 : 341,745 = 341,745 : x
2. Step 2: Convert to fraction form
   163,390.50/341,745 = 341,745/x
3. Step 3: Cross multiply
   163,390.50x = 341,745 × 341,745
4. Step 4: Simplify right side
   163,390.50x = 116,789,645,025
5. Step 5: Solve for x
   x = 116,789,645,025/163,390.50
6. Step 6: Final answer
   x = 714,788.47