Finding the Third Proportional to 2,111,670 and 4,643,244

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,670 : 4,643,244 = 4,643,244 : x
2. Step 2: Convert to fraction form
   2,111,670/4,643,244 = 4,643,244/x
3. Step 3: Cross multiply
   2,111,670x = 4,643,244 × 4,643,244
4. Step 4: Simplify right side
   2,111,670x = 21,559,714,843,536
5. Step 5: Solve for x
   x = 21,559,714,843,536/2,111,670
6. Step 6: Final answer
   x = 10,209,793.60