Finding the Third Proportional to 84,828 and 134,300

Step by Step Solution

1. Step 1: Write the proportion equation
   84,828 : 134,300 = 134,300 : x
2. Step 2: Convert to fraction form
   84,828/134,300 = 134,300/x
3. Step 3: Cross multiply
   84,828x = 134,300 × 134,300
4. Step 4: Simplify right side
   84,828x = 18,036,490,000
5. Step 5: Solve for x
   x = 18,036,490,000/84,828
6. Step 6: Final answer
   x = 212,624.25