Finding the Third Proportional to 867,936 and 1,314,144

Step by Step Solution

1. Step 1: Write the proportion equation
   867,936 : 1,314,144 = 1,314,144 : x
2. Step 2: Convert to fraction form
   867,936/1,314,144 = 1,314,144/x
3. Step 3: Cross multiply
   867,936x = 1,314,144 × 1,314,144
4. Step 4: Simplify right side
   867,936x = 1,726,974,452,736
5. Step 5: Solve for x
   x = 1,726,974,452,736/867,936
6. Step 6: Final answer
   x = 1,989,748.61