Finding the Third Proportional to 1,647,392 and 3,609,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,392 : 3,609,712 = 3,609,712 : x
2. Step 2: Convert to fraction form
   1,647,392/3,609,712 = 3,609,712/x
3. Step 3: Cross multiply
   1,647,392x = 3,609,712 × 3,609,712
4. Step 4: Simplify right side
   1,647,392x = 13,030,020,722,944
5. Step 5: Solve for x
   x = 13,030,020,722,944/1,647,392
6. Step 6: Final answer
   x = 7,909,484.03