Finding the Third Proportional to 876,758 and 1,915,840

Step by Step Solution

1. Step 1: Write the proportion equation
   876,758 : 1,915,840 = 1,915,840 : x
2. Step 2: Convert to fraction form
   876,758/1,915,840 = 1,915,840/x
3. Step 3: Cross multiply
   876,758x = 1,915,840 × 1,915,840
4. Step 4: Simplify right side
   876,758x = 3,670,442,905,600
5. Step 5: Solve for x
   x = 3,670,442,905,600/876,758
6. Step 6: Final answer
   x = 4,186,380.85