Finding the Third Proportional to 1,438,322 and 3,100,812

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,322 : 3,100,812 = 3,100,812 : x
2. Step 2: Convert to fraction form
   1,438,322/3,100,812 = 3,100,812/x
3. Step 3: Cross multiply
   1,438,322x = 3,100,812 × 3,100,812
4. Step 4: Simplify right side
   1,438,322x = 9,615,035,059,344
5. Step 5: Solve for x
   x = 9,615,035,059,344/1,438,322
6. Step 6: Final answer
   x = 6,684,897.44