Finding the Third Proportional to 4,123,460 and 8,529,772

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,460 : 8,529,772 = 8,529,772 : x
2. Step 2: Convert to fraction form
   4,123,460/8,529,772 = 8,529,772/x
3. Step 3: Cross multiply
   4,123,460x = 8,529,772 × 8,529,772
4. Step 4: Simplify right side
   4,123,460x = 72,757,010,371,984
5. Step 5: Solve for x
   x = 72,757,010,371,984/4,123,460
6. Step 6: Final answer
   x = 17,644,650.46