Finding the Third Proportional to 1,970,229 and 4,254,810

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,229 : 4,254,810 = 4,254,810 : x
2. Step 2: Convert to fraction form
   1,970,229/4,254,810 = 4,254,810/x
3. Step 3: Cross multiply
   1,970,229x = 4,254,810 × 4,254,810
4. Step 4: Simplify right side
   1,970,229x = 18,103,408,136,100
5. Step 5: Solve for x
   x = 18,103,408,136,100/1,970,229
6. Step 6: Final answer
   x = 9,188,479.17