Finding the Third Proportional to 2,163,510 and 4,616,550

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,510 : 4,616,550 = 4,616,550 : x
2. Step 2: Convert to fraction form
   2,163,510/4,616,550 = 4,616,550/x
3. Step 3: Cross multiply
   2,163,510x = 4,616,550 × 4,616,550
4. Step 4: Simplify right side
   2,163,510x = 21,312,533,902,500
5. Step 5: Solve for x
   x = 21,312,533,902,500/2,163,510
6. Step 6: Final answer
   x = 9,850,906.12