Finding the Third Proportional to 871,818 and 1,877,223

Step by Step Solution

1. Step 1: Write the proportion equation
   871,818 : 1,877,223 = 1,877,223 : x
2. Step 2: Convert to fraction form
   871,818/1,877,223 = 1,877,223/x
3. Step 3: Cross multiply
   871,818x = 1,877,223 × 1,877,223
4. Step 4: Simplify right side
   871,818x = 3,523,966,191,729
5. Step 5: Solve for x
   x = 3,523,966,191,729/871,818
6. Step 6: Final answer
   x = 4,042,089.28