Finding the Third Proportional to 1,435,212 and 2,312,478

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435,212 : 2,312,478 = 2,312,478 : x
2. Step 2: Convert to fraction form
   1,435,212/2,312,478 = 2,312,478/x
3. Step 3: Cross multiply
   1,435,212x = 2,312,478 × 2,312,478
4. Step 4: Simplify right side
   1,435,212x = 5,347,554,500,484
5. Step 5: Solve for x
   x = 5,347,554,500,484/1,435,212
6. Step 6: Final answer
   x = 3,725,968.36