Finding the Third Proportional to 123,330 and 195,106.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,330 : 195,106.50 = 195,106.50 : x
2. Step 2: Convert to fraction form
   123,330/195,106.50 = 195,106.50/x
3. Step 3: Cross multiply
   123,330x = 195,106.50 × 195,106.50
4. Step 4: Simplify right side
   123,330x = 38,066,546,342.25
5. Step 5: Solve for x
   x = 38,066,546,342.25/123,330
6. Step 6: Final answer
   x = 308,656.02