Finding the Third Proportional to 721,108 and 1,120,997

Step by Step Solution

1. Step 1: Write the proportion equation
   721,108 : 1,120,997 = 1,120,997 : x
2. Step 2: Convert to fraction form
   721,108/1,120,997 = 1,120,997/x
3. Step 3: Cross multiply
   721,108x = 1,120,997 × 1,120,997
4. Step 4: Simplify right side
   721,108x = 1,256,634,274,009
5. Step 5: Solve for x
   x = 1,256,634,274,009/721,108
6. Step 6: Final answer
   x = 1,742,643.65