Finding the Third Proportional to 911,580 and 1,963,344

Step by Step Solution

1. Step 1: Write the proportion equation
   911,580 : 1,963,344 = 1,963,344 : x
2. Step 2: Convert to fraction form
   911,580/1,963,344 = 1,963,344/x
3. Step 3: Cross multiply
   911,580x = 1,963,344 × 1,963,344
4. Step 4: Simplify right side
   911,580x = 3,854,719,662,336
5. Step 5: Solve for x
   x = 3,854,719,662,336/911,580
6. Step 6: Final answer
   x = 4,228,613.68