Finding the Third Proportional to 871,816 and 1,877,222

Step by Step Solution

1. Step 1: Write the proportion equation
   871,816 : 1,877,222 = 1,877,222 : x
2. Step 2: Convert to fraction form
   871,816/1,877,222 = 1,877,222/x
3. Step 3: Cross multiply
   871,816x = 1,877,222 × 1,877,222
4. Step 4: Simplify right side
   871,816x = 3,523,962,437,284
5. Step 5: Solve for x
   x = 3,523,962,437,284/871,816
6. Step 6: Final answer
   x = 4,042,094.25