Finding the Third Proportional to 5,215,087 and 7,666,549

Step by Step Solution

1. Step 1: Write the proportion equation
   5,215,087 : 7,666,549 = 7,666,549 : x
2. Step 2: Convert to fraction form
   5,215,087/7,666,549 = 7,666,549/x
3. Step 3: Cross multiply
   5,215,087x = 7,666,549 × 7,666,549
4. Step 4: Simplify right side
   5,215,087x = 58,775,973,569,401
5. Step 5: Solve for x
   x = 58,775,973,569,401/5,215,087
6. Step 6: Final answer
   x = 11,270,372.59