Finding the Third Proportional to 1,000,280 and 2,156,944

Step by Step Solution

1. Step 1: Write the proportion equation
   1,000,280 : 2,156,944 = 2,156,944 : x
2. Step 2: Convert to fraction form
   1,000,280/2,156,944 = 2,156,944/x
3. Step 3: Cross multiply
   1,000,280x = 2,156,944 × 2,156,944
4. Step 4: Simplify right side
   1,000,280x = 4,652,407,419,136
5. Step 5: Solve for x
   x = 4,652,407,419,136/1,000,280
6. Step 6: Final answer
   x = 4,651,105.11