Finding the Third Proportional to 2,111,560 and 4,610,308

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,560 : 4,610,308 = 4,610,308 : x
2. Step 2: Convert to fraction form
   2,111,560/4,610,308 = 4,610,308/x
3. Step 3: Cross multiply
   2,111,560x = 4,610,308 × 4,610,308
4. Step 4: Simplify right side
   2,111,560x = 21,254,939,854,864
5. Step 5: Solve for x
   x = 21,254,939,854,864/2,111,560
6. Step 6: Final answer
   x = 10,065,989.06