Finding the Third Proportional to 906,372 and 2,116,890

Step by Step Solution

1. Step 1: Write the proportion equation
   906,372 : 2,116,890 = 2,116,890 : x
2. Step 2: Convert to fraction form
   906,372/2,116,890 = 2,116,890/x
3. Step 3: Cross multiply
   906,372x = 2,116,890 × 2,116,890
4. Step 4: Simplify right side
   906,372x = 4,481,223,272,100
5. Step 5: Solve for x
   x = 4,481,223,272,100/906,372
6. Step 6: Final answer
   x = 4,944,132.51