Finding the Third Proportional to 1,011,622 and 2,116,769

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,622 : 2,116,769 = 2,116,769 : x
2. Step 2: Convert to fraction form
   1,011,622/2,116,769 = 2,116,769/x
3. Step 3: Cross multiply
   1,011,622x = 2,116,769 × 2,116,769
4. Step 4: Simplify right side
   1,011,622x = 4,480,710,999,361
5. Step 5: Solve for x
   x = 4,480,710,999,361/1,011,622
6. Step 6: Final answer
   x = 4,429,234.44