Finding the Third Proportional to 4,788,912 and 7,435,200

Step by Step Solution

1. Step 1: Write the proportion equation
   4,788,912 : 7,435,200 = 7,435,200 : x
2. Step 2: Convert to fraction form
   4,788,912/7,435,200 = 7,435,200/x
3. Step 3: Cross multiply
   4,788,912x = 7,435,200 × 7,435,200
4. Step 4: Simplify right side
   4,788,912x = 55,282,199,040,000
5. Step 5: Solve for x
   x = 55,282,199,040,000/4,788,912
6. Step 6: Final answer
   x = 11,543,790.96