Finding the Third Proportional to 901,872 and 1,878,380

Step by Step Solution

1. Step 1: Write the proportion equation
   901,872 : 1,878,380 = 1,878,380 : x
2. Step 2: Convert to fraction form
   901,872/1,878,380 = 1,878,380/x
3. Step 3: Cross multiply
   901,872x = 1,878,380 × 1,878,380
4. Step 4: Simplify right side
   901,872x = 3,528,311,424,400
5. Step 5: Solve for x
   x = 3,528,311,424,400/901,872
6. Step 6: Final answer
   x = 3,912,208.63