Finding the Third Proportional to 183,521 and 271,870

Step by Step Solution

1. Step 1: Write the proportion equation
   183,521 : 271,870 = 271,870 : x
2. Step 2: Convert to fraction form
   183,521/271,870 = 271,870/x
3. Step 3: Cross multiply
   183,521x = 271,870 × 271,870
4. Step 4: Simplify right side
   183,521x = 73,913,296,900
5. Step 5: Solve for x
   x = 73,913,296,900/183,521
6. Step 6: Final answer
   x = 402,751.17