Finding the Third Proportional to 5,019,738 and 7,756,328

Step by Step Solution

1. Step 1: Write the proportion equation
   5,019,738 : 7,756,328 = 7,756,328 : x
2. Step 2: Convert to fraction form
   5,019,738/7,756,328 = 7,756,328/x
3. Step 3: Cross multiply
   5,019,738x = 7,756,328 × 7,756,328
4. Step 4: Simplify right side
   5,019,738x = 60,160,624,043,584
5. Step 5: Solve for x
   x = 60,160,624,043,584/5,019,738
6. Step 6: Final answer
   x = 11,984,813.56