Finding the Third Proportional to 5,039,318 and 7,756,216

Step by Step Solution

1. Step 1: Write the proportion equation
   5,039,318 : 7,756,216 = 7,756,216 : x
2. Step 2: Convert to fraction form
   5,039,318/7,756,216 = 7,756,216/x
3. Step 3: Cross multiply
   5,039,318x = 7,756,216 × 7,756,216
4. Step 4: Simplify right side
   5,039,318x = 60,158,886,638,656
5. Step 5: Solve for x
   x = 60,158,886,638,656/5,039,318
6. Step 6: Final answer
   x = 11,937,902.44