Finding the Third Proportional to 6,191,280 and 9,380,388

Step by Step Solution

1. Step 1: Write the proportion equation
   6,191,280 : 9,380,388 = 9,380,388 : x
2. Step 2: Convert to fraction form
   6,191,280/9,380,388 = 9,380,388/x
3. Step 3: Cross multiply
   6,191,280x = 9,380,388 × 9,380,388
4. Step 4: Simplify right side
   6,191,280x = 87,991,679,030,544
5. Step 5: Solve for x
   x = 87,991,679,030,544/6,191,280
6. Step 6: Final answer
   x = 14,212,195.06