Finding the Third Proportional to 19,140 and 41,210

Step by Step Solution

1. Step 1: Write the proportion equation
   19,140 : 41,210 = 41,210 : x
2. Step 2: Convert to fraction form
   19,140/41,210 = 41,210/x
3. Step 3: Cross multiply
   19,140x = 41,210 × 41,210
4. Step 4: Simplify right side
   19,140x = 1,698,264,100
5. Step 5: Solve for x
   x = 1,698,264,100/19,140
6. Step 6: Final answer
   x = 88,728.53