Finding the Third Proportional to 3,754,658 and 5,380,419

Step by Step Solution

1. Step 1: Write the proportion equation
   3,754,658 : 5,380,419 = 5,380,419 : x
2. Step 2: Convert to fraction form
   3,754,658/5,380,419 = 5,380,419/x
3. Step 3: Cross multiply
   3,754,658x = 5,380,419 × 5,380,419
4. Step 4: Simplify right side
   3,754,658x = 28,948,908,615,561
5. Step 5: Solve for x
   x = 28,948,908,615,561/3,754,658
6. Step 6: Final answer
   x = 7,710,131.95