Finding the Third Proportional to 2,115,382 and 4,567,380

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,382 : 4,567,380 = 4,567,380 : x
2. Step 2: Convert to fraction form
   2,115,382/4,567,380 = 4,567,380/x
3. Step 3: Cross multiply
   2,115,382x = 4,567,380 × 4,567,380
4. Step 4: Simplify right side
   2,115,382x = 20,860,960,064,400
5. Step 5: Solve for x
   x = 20,860,960,064,400/2,115,382
6. Step 6: Final answer
   x = 9,861,556.95