Finding the Third Proportional to 1,503,480 and 3,154,578

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,480 : 3,154,578 = 3,154,578 : x
2. Step 2: Convert to fraction form
   1,503,480/3,154,578 = 3,154,578/x
3. Step 3: Cross multiply
   1,503,480x = 3,154,578 × 3,154,578
4. Step 4: Simplify right side
   1,503,480x = 9,951,362,358,084
5. Step 5: Solve for x
   x = 9,951,362,358,084/1,503,480
6. Step 6: Final answer
   x = 6,618,885.76