Finding the Third Proportional to 3,229,312 and 7,612,390

Step by Step Solution

1. Step 1: Write the proportion equation
   3,229,312 : 7,612,390 = 7,612,390 : x
2. Step 2: Convert to fraction form
   3,229,312/7,612,390 = 7,612,390/x
3. Step 3: Cross multiply
   3,229,312x = 7,612,390 × 7,612,390
4. Step 4: Simplify right side
   3,229,312x = 57,948,481,512,100
5. Step 5: Solve for x
   x = 57,948,481,512,100/3,229,312
6. Step 6: Final answer
   x = 17,944,528.59