Finding the Third Proportional to 1,836,322 and 3,977,572

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,322 : 3,977,572 = 3,977,572 : x
2. Step 2: Convert to fraction form
   1,836,322/3,977,572 = 3,977,572/x
3. Step 3: Cross multiply
   1,836,322x = 3,977,572 × 3,977,572
4. Step 4: Simplify right side
   1,836,322x = 15,821,079,015,184
5. Step 5: Solve for x
   x = 15,821,079,015,184/1,836,322
6. Step 6: Final answer
   x = 8,615,634.41