Finding the Third Proportional to 911,424 and 1,963,090

Step by Step Solution

1. Step 1: Write the proportion equation
   911,424 : 1,963,090 = 1,963,090 : x
2. Step 2: Convert to fraction form
   911,424/1,963,090 = 1,963,090/x
3. Step 3: Cross multiply
   911,424x = 1,963,090 × 1,963,090
4. Step 4: Simplify right side
   911,424x = 3,853,722,348,100
5. Step 5: Solve for x
   x = 3,853,722,348,100/911,424
6. Step 6: Final answer
   x = 4,228,243.22