Finding the Third Proportional to 3,156,009 and 6,902,499

Step by Step Solution

1. Step 1: Write the proportion equation
   3,156,009 : 6,902,499 = 6,902,499 : x
2. Step 2: Convert to fraction form
   3,156,009/6,902,499 = 6,902,499/x
3. Step 3: Cross multiply
   3,156,009x = 6,902,499 × 6,902,499
4. Step 4: Simplify right side
   3,156,009x = 47,644,492,445,001
5. Step 5: Solve for x
   x = 47,644,492,445,001/3,156,009
6. Step 6: Final answer
   x = 15,096,437.45