Finding the Third Proportional to 38,860 and 83,860

Step by Step Solution

1. Step 1: Write the proportion equation
   38,860 : 83,860 = 83,860 : x
2. Step 2: Convert to fraction form
   38,860/83,860 = 83,860/x
3. Step 3: Cross multiply
   38,860x = 83,860 × 83,860
4. Step 4: Simplify right side
   38,860x = 7,032,499,600
5. Step 5: Solve for x
   x = 7,032,499,600/38,860
6. Step 6: Final answer
   x = 180,970.14