Finding the Third Proportional to 911,984 and 1,979,730

Step by Step Solution

1. Step 1: Write the proportion equation
   911,984 : 1,979,730 = 1,979,730 : x
2. Step 2: Convert to fraction form
   911,984/1,979,730 = 1,979,730/x
3. Step 3: Cross multiply
   911,984x = 1,979,730 × 1,979,730
4. Step 4: Simplify right side
   911,984x = 3,919,330,872,900
5. Step 5: Solve for x
   x = 3,919,330,872,900/911,984
6. Step 6: Final answer
   x = 4,297,587.32