Finding the Third Proportional to 4,660,876 and 9,969,368

Step by Step Solution

1. Step 1: Write the proportion equation
   4,660,876 : 9,969,368 = 9,969,368 : x
2. Step 2: Convert to fraction form
   4,660,876/9,969,368 = 9,969,368/x
3. Step 3: Cross multiply
   4,660,876x = 9,969,368 × 9,969,368
4. Step 4: Simplify right side
   4,660,876x = 99,388,298,319,424
5. Step 5: Solve for x
   x = 99,388,298,319,424/4,660,876
6. Step 6: Final answer
   x = 21,323,952.48