Finding the Third Proportional to 3,643,476 and 7,791,468

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643,476 : 7,791,468 = 7,791,468 : x
2. Step 2: Convert to fraction form
   3,643,476/7,791,468 = 7,791,468/x
3. Step 3: Cross multiply
   3,643,476x = 7,791,468 × 7,791,468
4. Step 4: Simplify right side
   3,643,476x = 60,706,973,595,024
5. Step 5: Solve for x
   x = 60,706,973,595,024/3,643,476
6. Step 6: Final answer
   x = 16,661,828.87