Finding the Third Proportional to 1,011,632 and 2,116,790

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,632 : 2,116,790 = 2,116,790 : x
2. Step 2: Convert to fraction form
   1,011,632/2,116,790 = 2,116,790/x
3. Step 3: Cross multiply
   1,011,632x = 2,116,790 × 2,116,790
4. Step 4: Simplify right side
   1,011,632x = 4,480,799,904,100
5. Step 5: Solve for x
   x = 4,480,799,904,100/1,011,632
6. Step 6: Final answer
   x = 4,429,278.54