Finding the Third Proportional to 991,060 and 2,122,040

Step by Step Solution

1. Step 1: Write the proportion equation
   991,060 : 2,122,040 = 2,122,040 : x
2. Step 2: Convert to fraction form
   991,060/2,122,040 = 2,122,040/x
3. Step 3: Cross multiply
   991,060x = 2,122,040 × 2,122,040
4. Step 4: Simplify right side
   991,060x = 4,503,053,761,600
5. Step 5: Solve for x
   x = 4,503,053,761,600/991,060
6. Step 6: Final answer
   x = 4,543,674.21