Finding the Third Proportional to 442,170 and 947,428

Step by Step Solution

1. Step 1: Write the proportion equation
   442,170 : 947,428 = 947,428 : x
2. Step 2: Convert to fraction form
   442,170/947,428 = 947,428/x
3. Step 3: Cross multiply
   442,170x = 947,428 × 947,428
4. Step 4: Simplify right side
   442,170x = 897,619,815,184
5. Step 5: Solve for x
   x = 897,619,815,184/442,170
6. Step 6: Final answer
   x = 2,030,033.28