Finding the Third Proportional to 1,107,210 and 2,421,207

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107,210 : 2,421,207 = 2,421,207 : x
2. Step 2: Convert to fraction form
   1,107,210/2,421,207 = 2,421,207/x
3. Step 3: Cross multiply
   1,107,210x = 2,421,207 × 2,421,207
4. Step 4: Simplify right side
   1,107,210x = 5,862,243,336,849
5. Step 5: Solve for x
   x = 5,862,243,336,849/1,107,210
6. Step 6: Final answer
   x = 5,294,608.37