Finding the Third Proportional to 1,011,620 and 2,116,765

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,620 : 2,116,765 = 2,116,765 : x
2. Step 2: Convert to fraction form
   1,011,620/2,116,765 = 2,116,765/x
3. Step 3: Cross multiply
   1,011,620x = 2,116,765 × 2,116,765
4. Step 4: Simplify right side
   1,011,620x = 4,480,694,065,225
5. Step 5: Solve for x
   x = 4,480,694,065,225/1,011,620
6. Step 6: Final answer
   x = 4,429,226.45