Finding the Third Proportional to 1,521,521 and 2,354,709

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,521 : 2,354,709 = 2,354,709 : x
2. Step 2: Convert to fraction form
   1,521,521/2,354,709 = 2,354,709/x
3. Step 3: Cross multiply
   1,521,521x = 2,354,709 × 2,354,709
4. Step 4: Simplify right side
   1,521,521x = 5,544,654,474,681
5. Step 5: Solve for x
   x = 5,544,654,474,681/1,521,521
6. Step 6: Final answer
   x = 3,644,152.45