Finding the Third Proportional to 876,413 and 1,311,118

Step by Step Solution

1. Step 1: Write the proportion equation
   876,413 : 1,311,118 = 1,311,118 : x
2. Step 2: Convert to fraction form
   876,413/1,311,118 = 1,311,118/x
3. Step 3: Cross multiply
   876,413x = 1,311,118 × 1,311,118
4. Step 4: Simplify right side
   876,413x = 1,719,030,409,924
5. Step 5: Solve for x
   x = 1,719,030,409,924/876,413
6. Step 6: Final answer
   x = 1,961,438.74