Finding the Third Proportional to 1,129,814 and 1,580,268

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,814 : 1,580,268 = 1,580,268 : x
2. Step 2: Convert to fraction form
   1,129,814/1,580,268 = 1,580,268/x
3. Step 3: Cross multiply
   1,129,814x = 1,580,268 × 1,580,268
4. Step 4: Simplify right side
   1,129,814x = 2,497,246,951,824
5. Step 5: Solve for x
   x = 2,497,246,951,824/1,129,814
6. Step 6: Final answer
   x = 2,210,316.88