Finding the Third Proportional to 30,196.13 and 60,389.30

Step by Step Solution

1. Step 1: Write the proportion equation
   30,196.13 : 60,389.30 = 60,389.30 : x
2. Step 2: Convert to fraction form
   30,196.13/60,389.30 = 60,389.30/x
3. Step 3: Cross multiply
   30,196.13x = 60,389.30 × 60,389.30
4. Step 4: Simplify right side
   30,196.13x = 3,646,867,177.06
5. Step 5: Solve for x
   x = 3,646,867,177.06/30,196.13
6. Step 6: Final answer
   x = 120,772.69