Finding the Third Proportional to 163,380 and 355,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,380 : 355,828.50 = 355,828.50 : x
2. Step 2: Convert to fraction form
   163,380/355,828.50 = 355,828.50/x
3. Step 3: Cross multiply
   163,380x = 355,828.50 × 355,828.50
4. Step 4: Simplify right side
   163,380x = 126,613,921,412.25
5. Step 5: Solve for x
   x = 126,613,921,412.25/163,380
6. Step 6: Final answer
   x = 774,965.86