Finding the Third Proportional to 2,291,836 and 4,991,480

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291,836 : 4,991,480 = 4,991,480 : x
2. Step 2: Convert to fraction form
   2,291,836/4,991,480 = 4,991,480/x
3. Step 3: Cross multiply
   2,291,836x = 4,991,480 × 4,991,480
4. Step 4: Simplify right side
   2,291,836x = 24,914,872,590,400
5. Step 5: Solve for x
   x = 24,914,872,590,400/2,291,836
6. Step 6: Final answer
   x = 10,871,141.12