Finding the Third Proportional to 38,242 and 83,870

Step by Step Solution

1. Step 1: Write the proportion equation
   38,242 : 83,870 = 83,870 : x
2. Step 2: Convert to fraction form
   38,242/83,870 = 83,870/x
3. Step 3: Cross multiply
   38,242x = 83,870 × 83,870
4. Step 4: Simplify right side
   38,242x = 7,034,176,900
5. Step 5: Solve for x
   x = 7,034,176,900/38,242
6. Step 6: Final answer
   x = 183,938.52