Finding the Third Proportional to 7,076,400 and 10,603,488

Step by Step Solution

1. Step 1: Write the proportion equation
   7,076,400 : 10,603,488 = 10,603,488 : x
2. Step 2: Convert to fraction form
   7,076,400/10,603,488 = 10,603,488/x
3. Step 3: Cross multiply
   7,076,400x = 10,603,488 × 10,603,488
4. Step 4: Simplify right side
   7,076,400x = 112,433,957,766,144
5. Step 5: Solve for x
   x = 112,433,957,766,144/7,076,400
6. Step 6: Final answer
   x = 15,888,581.45