Finding the Third Proportional to 876,602 and 1,311,406

Step by Step Solution

1. Step 1: Write the proportion equation
   876,602 : 1,311,406 = 1,311,406 : x
2. Step 2: Convert to fraction form
   876,602/1,311,406 = 1,311,406/x
3. Step 3: Cross multiply
   876,602x = 1,311,406 × 1,311,406
4. Step 4: Simplify right side
   876,602x = 1,719,785,696,836
5. Step 5: Solve for x
   x = 1,719,785,696,836/876,602
6. Step 6: Final answer
   x = 1,961,877.45