Finding the Third Proportional to 4,123,479 and 8,529,810

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,479 : 8,529,810 = 8,529,810 : x
2. Step 2: Convert to fraction form
   4,123,479/8,529,810 = 8,529,810/x
3. Step 3: Cross multiply
   4,123,479x = 8,529,810 × 8,529,810
4. Step 4: Simplify right side
   4,123,479x = 72,757,658,636,100
5. Step 5: Solve for x
   x = 72,757,658,636,100/4,123,479
6. Step 6: Final answer
   x = 17,644,726.37