Finding the Third Proportional to 1,435,380 and 2,312,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,380 : 2,312,712 = 2,312,712 : x
2. Step 2: Convert to fraction form
   1,435,380/2,312,712 = 2,312,712/x
3. Step 3: Cross multiply
   1,435,380x = 2,312,712 × 2,312,712
4. Step 4: Simplify right side
   1,435,380x = 5,348,636,794,944
5. Step 5: Solve for x
   x = 5,348,636,794,944/1,435,380
6. Step 6: Final answer
   x = 3,726,286.28