Finding the Third Proportional to 1,581,000 and 3,515,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,000 : 3,515,712 = 3,515,712 : x
2. Step 2: Convert to fraction form
   1,581,000/3,515,712 = 3,515,712/x
3. Step 3: Cross multiply
   1,581,000x = 3,515,712 × 3,515,712
4. Step 4: Simplify right side
   1,581,000x = 12,360,230,866,944
5. Step 5: Solve for x
   x = 12,360,230,866,944/1,581,000
6. Step 6: Final answer
   x = 7,817,982.84