Finding the Third Proportional to 1,011,624 and 2,116,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,624 : 2,116,772 = 2,116,772 : x
2. Step 2: Convert to fraction form
   1,011,624/2,116,772 = 2,116,772/x
3. Step 3: Cross multiply
   1,011,624x = 2,116,772 × 2,116,772
4. Step 4: Simplify right side
   1,011,624x = 4,480,723,699,984
5. Step 5: Solve for x
   x = 4,480,723,699,984/1,011,624
6. Step 6: Final answer
   x = 4,429,238.23