Finding the Third Proportional to 163,404 and 341,772.75

Step by Step Solution

1. Step 1: Write the proportion equation
   163,404 : 341,772.75 = 341,772.75 : x
2. Step 2: Convert to fraction form
   163,404/341,772.75 = 341,772.75/x
3. Step 3: Cross multiply
   163,404x = 341,772.75 × 341,772.75
4. Step 4: Simplify right side
   163,404x = 116,808,612,642.56
5. Step 5: Solve for x
   x = 116,808,612,642.56/163,404
6. Step 6: Final answer
   x = 714,845.49