Finding the Third Proportional to 4,483,620 and 7,137,784

Step by Step Solution

1. Step 1: Write the proportion equation
   4,483,620 : 7,137,784 = 7,137,784 : x
2. Step 2: Convert to fraction form
   4,483,620/7,137,784 = 7,137,784/x
3. Step 3: Cross multiply
   4,483,620x = 7,137,784 × 7,137,784
4. Step 4: Simplify right side
   4,483,620x = 50,947,960,430,656
5. Step 5: Solve for x
   x = 50,947,960,430,656/4,483,620
6. Step 6: Final answer
   x = 11,363,130.78