Finding the Third Proportional to 1,873,398 and 4,420,947

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873,398 : 4,420,947 = 4,420,947 : x
2. Step 2: Convert to fraction form
   1,873,398/4,420,947 = 4,420,947/x
3. Step 3: Cross multiply
   1,873,398x = 4,420,947 × 4,420,947
4. Step 4: Simplify right side
   1,873,398x = 19,544,772,376,809
5. Step 5: Solve for x
   x = 19,544,772,376,809/1,873,398
6. Step 6: Final answer
   x = 10,432,792.38