Finding the Third Proportional to 931,720 and 2,021,648

Step by Step Solution

1. Step 1: Write the proportion equation
   931,720 : 2,021,648 = 2,021,648 : x
2. Step 2: Convert to fraction form
   931,720/2,021,648 = 2,021,648/x
3. Step 3: Cross multiply
   931,720x = 2,021,648 × 2,021,648
4. Step 4: Simplify right side
   931,720x = 4,087,060,635,904
5. Step 5: Solve for x
   x = 4,087,060,635,904/931,720
6. Step 6: Final answer
   x = 4,386,576.05