Finding the Third Proportional to 113,870 and 162,210

Step by Step Solution

1. Step 1: Write the proportion equation
   113,870 : 162,210 = 162,210 : x
2. Step 2: Convert to fraction form
   113,870/162,210 = 162,210/x
3. Step 3: Cross multiply
   113,870x = 162,210 × 162,210
4. Step 4: Simplify right side
   113,870x = 26,312,084,100
5. Step 5: Solve for x
   x = 26,312,084,100/113,870
6. Step 6: Final answer
   x = 231,071.26