Finding the Third Proportional to 900,372 and 1,921,260

Step by Step Solution

1. Step 1: Write the proportion equation
   900,372 : 1,921,260 = 1,921,260 : x
2. Step 2: Convert to fraction form
   900,372/1,921,260 = 1,921,260/x
3. Step 3: Cross multiply
   900,372x = 1,921,260 × 1,921,260
4. Step 4: Simplify right side
   900,372x = 3,691,239,987,600
5. Step 5: Solve for x
   x = 3,691,239,987,600/900,372
6. Step 6: Final answer
   x = 4,099,683.23