Finding the Third Proportional to 83,103 and 180,300

Step by Step Solution

1. Step 1: Write the proportion equation
   83,103 : 180,300 = 180,300 : x
2. Step 2: Convert to fraction form
   83,103/180,300 = 180,300/x
3. Step 3: Cross multiply
   83,103x = 180,300 × 180,300
4. Step 4: Simplify right side
   83,103x = 32,508,090,000
5. Step 5: Solve for x
   x = 32,508,090,000/83,103
6. Step 6: Final answer
   x = 391,178.30