Finding the Third Proportional to 1,007,220 and 2,163,522

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,220 : 2,163,522 = 2,163,522 : x
2. Step 2: Convert to fraction form
   1,007,220/2,163,522 = 2,163,522/x
3. Step 3: Cross multiply
   1,007,220x = 2,163,522 × 2,163,522
4. Step 4: Simplify right side
   1,007,220x = 4,680,827,444,484
5. Step 5: Solve for x
   x = 4,680,827,444,484/1,007,220
6. Step 6: Final answer
   x = 4,647,274.13