Finding the Third Proportional to 1,858,021 and 2,871,602

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858,021 : 2,871,602 = 2,871,602 : x
2. Step 2: Convert to fraction form
   1,858,021/2,871,602 = 2,871,602/x
3. Step 3: Cross multiply
   1,858,021x = 2,871,602 × 2,871,602
4. Step 4: Simplify right side
   1,858,021x = 8,246,098,046,404
5. Step 5: Solve for x
   x = 8,246,098,046,404/1,858,021
6. Step 6: Final answer
   x = 4,438,108.10