Finding the Third Proportional to 900,500 and 1,921,528

Step by Step Solution

1. Step 1: Write the proportion equation
   900,500 : 1,921,528 = 1,921,528 : x
2. Step 2: Convert to fraction form
   900,500/1,921,528 = 1,921,528/x
3. Step 3: Cross multiply
   900,500x = 1,921,528 × 1,921,528
4. Step 4: Simplify right side
   900,500x = 3,692,269,854,784
5. Step 5: Solve for x
   x = 3,692,269,854,784/900,500
6. Step 6: Final answer
   x = 4,100,244.15