Finding the Third Proportional to 103,983 and 212,892

Step by Step Solution

1. Step 1: Write the proportion equation
   103,983 : 212,892 = 212,892 : x
2. Step 2: Convert to fraction form
   103,983/212,892 = 212,892/x
3. Step 3: Cross multiply
   103,983x = 212,892 × 212,892
4. Step 4: Simplify right side
   103,983x = 45,323,003,664
5. Step 5: Solve for x
   x = 45,323,003,664/103,983
6. Step 6: Final answer
   x = 435,869.36