Finding the Third Proportional to 2,158,998 and 3,168,513

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,998 : 3,168,513 = 3,168,513 : x
2. Step 2: Convert to fraction form
   2,158,998/3,168,513 = 3,168,513/x
3. Step 3: Cross multiply
   2,158,998x = 3,168,513 × 3,168,513
4. Step 4: Simplify right side
   2,158,998x = 10,039,474,631,169
5. Step 5: Solve for x
   x = 10,039,474,631,169/2,158,998
6. Step 6: Final answer
   x = 4,650,062.03