Finding the Third Proportional to 876,880 and 1,315,328

Step by Step Solution

1. Step 1: Write the proportion equation
   876,880 : 1,315,328 = 1,315,328 : x
2. Step 2: Convert to fraction form
   876,880/1,315,328 = 1,315,328/x
3. Step 3: Cross multiply
   876,880x = 1,315,328 × 1,315,328
4. Step 4: Simplify right side
   876,880x = 1,730,087,747,584
5. Step 5: Solve for x
   x = 1,730,087,747,584/876,880
6. Step 6: Final answer
   x = 1,973,004.00