Finding the Third Proportional to 83,990 and 130,042

Step by Step Solution

1. Step 1: Write the proportion equation
   83,990 : 130,042 = 130,042 : x
2. Step 2: Convert to fraction form
   83,990/130,042 = 130,042/x
3. Step 3: Cross multiply
   83,990x = 130,042 × 130,042
4. Step 4: Simplify right side
   83,990x = 16,910,921,764
5. Step 5: Solve for x
   x = 16,910,921,764/83,990
6. Step 6: Final answer
   x = 201,344.47