Finding the Third Proportional to 911,419 and 1,963,080

Step by Step Solution

1. Step 1: Write the proportion equation
   911,419 : 1,963,080 = 1,963,080 : x
2. Step 2: Convert to fraction form
   911,419/1,963,080 = 1,963,080/x
3. Step 3: Cross multiply
   911,419x = 1,963,080 × 1,963,080
4. Step 4: Simplify right side
   911,419x = 3,853,683,086,400
5. Step 5: Solve for x
   x = 3,853,683,086,400/911,419
6. Step 6: Final answer
   x = 4,228,223.34