Finding the Third Proportional to 2,143,336 and 4,623,194

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,336 : 4,623,194 = 4,623,194 : x
2. Step 2: Convert to fraction form
   2,143,336/4,623,194 = 4,623,194/x
3. Step 3: Cross multiply
   2,143,336x = 4,623,194 × 4,623,194
4. Step 4: Simplify right side
   2,143,336x = 21,373,922,761,636
5. Step 5: Solve for x
   x = 21,373,922,761,636/2,143,336
6. Step 6: Final answer
   x = 9,972,268.82