Finding the Third Proportional to 991,836 and 2,141,100

Step by Step Solution

1. Step 1: Write the proportion equation
   991,836 : 2,141,100 = 2,141,100 : x
2. Step 2: Convert to fraction form
   991,836/2,141,100 = 2,141,100/x
3. Step 3: Cross multiply
   991,836x = 2,141,100 × 2,141,100
4. Step 4: Simplify right side
   991,836x = 4,584,309,210,000
5. Step 5: Solve for x
   x = 4,584,309,210,000/991,836
6. Step 6: Final answer
   x = 4,622,043.57