Finding the Third Proportional to 3,670,830 and 7,872,930

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,830 : 7,872,930 = 7,872,930 : x
2. Step 2: Convert to fraction form
   3,670,830/7,872,930 = 7,872,930/x
3. Step 3: Cross multiply
   3,670,830x = 7,872,930 × 7,872,930
4. Step 4: Simplify right side
   3,670,830x = 61,983,026,784,900
5. Step 5: Solve for x
   x = 61,983,026,784,900/3,670,830
6. Step 6: Final answer
   x = 16,885,289.37