Finding the Third Proportional to 921,132 and 2,171,334

Step by Step Solution

1. Step 1: Write the proportion equation
   921,132 : 2,171,334 = 2,171,334 : x
2. Step 2: Convert to fraction form
   921,132/2,171,334 = 2,171,334/x
3. Step 3: Cross multiply
   921,132x = 2,171,334 × 2,171,334
4. Step 4: Simplify right side
   921,132x = 4,714,691,339,556
5. Step 5: Solve for x
   x = 4,714,691,339,556/921,132
6. Step 6: Final answer
   x = 5,118,366.68