Finding the Third Proportional to 1,395,312 and 2,103,192

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395,312 : 2,103,192 = 2,103,192 : x
2. Step 2: Convert to fraction form
   1,395,312/2,103,192 = 2,103,192/x
3. Step 3: Cross multiply
   1,395,312x = 2,103,192 × 2,103,192
4. Step 4: Simplify right side
   1,395,312x = 4,423,416,588,864
5. Step 5: Solve for x
   x = 4,423,416,588,864/1,395,312
6. Step 6: Final answer
   x = 3,170,198.92