Finding the Third Proportional to 1,007,532 and 2,128,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,532 : 2,128,772 = 2,128,772 : x
2. Step 2: Convert to fraction form
   1,007,532/2,128,772 = 2,128,772/x
3. Step 3: Cross multiply
   1,007,532x = 2,128,772 × 2,128,772
4. Step 4: Simplify right side
   1,007,532x = 4,531,670,227,984
5. Step 5: Solve for x
   x = 4,531,670,227,984/1,007,532
6. Step 6: Final answer
   x = 4,497,792.85