Finding the Third Proportional to 866,108 and 1,889,608

Step by Step Solution

1. Step 1: Write the proportion equation
   866,108 : 1,889,608 = 1,889,608 : x
2. Step 2: Convert to fraction form
   866,108/1,889,608 = 1,889,608/x
3. Step 3: Cross multiply
   866,108x = 1,889,608 × 1,889,608
4. Step 4: Simplify right side
   866,108x = 3,570,618,393,664
5. Step 5: Solve for x
   x = 3,570,618,393,664/866,108
6. Step 6: Final answer
   x = 4,122,601.79