Finding the Third Proportional to 889,199 and 1,871,320

Step by Step Solution

1. Step 1: Write the proportion equation
   889,199 : 1,871,320 = 1,871,320 : x
2. Step 2: Convert to fraction form
   889,199/1,871,320 = 1,871,320/x
3. Step 3: Cross multiply
   889,199x = 1,871,320 × 1,871,320
4. Step 4: Simplify right side
   889,199x = 3,501,838,542,400
5. Step 5: Solve for x
   x = 3,501,838,542,400/889,199
6. Step 6: Final answer
   x = 3,938,194.42