Finding the Third Proportional to 861,942 and 1,364,172

Step by Step Solution

1. Step 1: Write the proportion equation
   861,942 : 1,364,172 = 1,364,172 : x
2. Step 2: Convert to fraction form
   861,942/1,364,172 = 1,364,172/x
3. Step 3: Cross multiply
   861,942x = 1,364,172 × 1,364,172
4. Step 4: Simplify right side
   861,942x = 1,860,965,245,584
5. Step 5: Solve for x
   x = 1,860,965,245,584/861,942
6. Step 6: Final answer
   x = 2,159,037.67