Finding the Third Proportional to 143,060 and 221,166

Step by Step Solution

1. Step 1: Write the proportion equation
   143,060 : 221,166 = 221,166 : x
2. Step 2: Convert to fraction form
   143,060/221,166 = 221,166/x
3. Step 3: Cross multiply
   143,060x = 221,166 × 221,166
4. Step 4: Simplify right side
   143,060x = 48,914,399,556
5. Step 5: Solve for x
   x = 48,914,399,556/143,060
6. Step 6: Final answer
   x = 341,915.28