Finding the Third Proportional to 847,222 and 1,865,031

Step by Step Solution

1. Step 1: Write the proportion equation
   847,222 : 1,865,031 = 1,865,031 : x
2. Step 2: Convert to fraction form
   847,222/1,865,031 = 1,865,031/x
3. Step 3: Cross multiply
   847,222x = 1,865,031 × 1,865,031
4. Step 4: Simplify right side
   847,222x = 3,478,340,630,961
5. Step 5: Solve for x
   x = 3,478,340,630,961/847,222
6. Step 6: Final answer
   x = 4,105,583.46