Finding the Third Proportional to 6,147,200 and 9,876,900

Step by Step Solution

1. Step 1: Write the proportion equation
   6,147,200 : 9,876,900 = 9,876,900 : x
2. Step 2: Convert to fraction form
   6,147,200/9,876,900 = 9,876,900/x
3. Step 3: Cross multiply
   6,147,200x = 9,876,900 × 9,876,900
4. Step 4: Simplify right side
   6,147,200x = 97,553,153,610,000
5. Step 5: Solve for x
   x = 97,553,153,610,000/6,147,200
6. Step 6: Final answer
   x = 15,869,526.55