Finding the Third Proportional to 2,146,947 and 4,387,110

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,947 : 4,387,110 = 4,387,110 : x
2. Step 2: Convert to fraction form
   2,146,947/4,387,110 = 4,387,110/x
3. Step 3: Cross multiply
   2,146,947x = 4,387,110 × 4,387,110
4. Step 4: Simplify right side
   2,146,947x = 19,246,734,152,100
5. Step 5: Solve for x
   x = 19,246,734,152,100/2,146,947
6. Step 6: Final answer
   x = 8,964,699.25