Finding the Third Proportional to 1,571,521 and 3,430,910

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571,521 : 3,430,910 = 3,430,910 : x
2. Step 2: Convert to fraction form
   1,571,521/3,430,910 = 3,430,910/x
3. Step 3: Cross multiply
   1,571,521x = 3,430,910 × 3,430,910
4. Step 4: Simplify right side
   1,571,521x = 11,771,143,428,100
5. Step 5: Solve for x
   x = 11,771,143,428,100/1,571,521
6. Step 6: Final answer
   x = 7,490,287.07