Finding the Third Proportional to 123,940.13 and 163,675.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,940.13 : 163,675.69 = 163,675.69 : x
2. Step 2: Convert to fraction form
   123,940.13/163,675.69 = 163,675.69/x
3. Step 3: Cross multiply
   123,940.13x = 163,675.69 × 163,675.69
4. Step 4: Simplify right side
   123,940.13x = 26,789,730,678.60
5. Step 5: Solve for x
   x = 26,789,730,678.60/123,940.13
6. Step 6: Final answer
   x = 216,150.59