Finding the Third Proportional to 901,918 and 1,878,464

Step by Step Solution

1. Step 1: Write the proportion equation
   901,918 : 1,878,464 = 1,878,464 : x
2. Step 2: Convert to fraction form
   901,918/1,878,464 = 1,878,464/x
3. Step 3: Cross multiply
   901,918x = 1,878,464 × 1,878,464
4. Step 4: Simplify right side
   901,918x = 3,528,626,999,296
5. Step 5: Solve for x
   x = 3,528,626,999,296/901,918
6. Step 6: Final answer
   x = 3,912,358.99