Finding the Third Proportional to 4,292,378 and 5,808,711

Step by Step Solution

1. Step 1: Write the proportion equation
   4,292,378 : 5,808,711 = 5,808,711 : x
2. Step 2: Convert to fraction form
   4,292,378/5,808,711 = 5,808,711/x
3. Step 3: Cross multiply
   4,292,378x = 5,808,711 × 5,808,711
4. Step 4: Simplify right side
   4,292,378x = 33,741,123,481,521
5. Step 5: Solve for x
   x = 33,741,123,481,521/4,292,378
6. Step 6: Final answer
   x = 7,860,706.46