Finding the Third Proportional to 5,019,734 and 7,756,321

Step by Step Solution

1. Step 1: Write the proportion equation
   5,019,734 : 7,756,321 = 7,756,321 : x
2. Step 2: Convert to fraction form
   5,019,734/7,756,321 = 7,756,321/x
3. Step 3: Cross multiply
   5,019,734x = 7,756,321 × 7,756,321
4. Step 4: Simplify right side
   5,019,734x = 60,160,515,455,041
5. Step 5: Solve for x
   x = 60,160,515,455,041/5,019,734
6. Step 6: Final answer
   x = 11,984,801.48