Finding the Third Proportional to 1,118,839 and 1,720,732

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,839 : 1,720,732 = 1,720,732 : x
2. Step 2: Convert to fraction form
   1,118,839/1,720,732 = 1,720,732/x
3. Step 3: Cross multiply
   1,118,839x = 1,720,732 × 1,720,732
4. Step 4: Simplify right side
   1,118,839x = 2,960,918,615,824
5. Step 5: Solve for x
   x = 2,960,918,615,824/1,118,839
6. Step 6: Final answer
   x = 2,646,420.63