Finding the Third Proportional to 901,876 and 1,878,388

Step by Step Solution

1. Step 1: Write the proportion equation
   901,876 : 1,878,388 = 1,878,388 : x
2. Step 2: Convert to fraction form
   901,876/1,878,388 = 1,878,388/x
3. Step 3: Cross multiply
   901,876x = 1,878,388 × 1,878,388
4. Step 4: Simplify right side
   901,876x = 3,528,341,478,544
5. Step 5: Solve for x
   x = 3,528,341,478,544/901,876
6. Step 6: Final answer
   x = 3,912,224.61