Finding the Third Proportional to 901,878 and 1,878,392

Step by Step Solution

1. Step 1: Write the proportion equation
   901,878 : 1,878,392 = 1,878,392 : x
2. Step 2: Convert to fraction form
   901,878/1,878,392 = 1,878,392/x
3. Step 3: Cross multiply
   901,878x = 1,878,392 × 1,878,392
4. Step 4: Simplify right side
   901,878x = 3,528,356,505,664
5. Step 5: Solve for x
   x = 3,528,356,505,664/901,878
6. Step 6: Final answer
   x = 3,912,232.59