Finding the Third Proportional to 4,898,460 and 10,379,688

Step by Step Solution

1. Step 1: Write the proportion equation
   4,898,460 : 10,379,688 = 10,379,688 : x
2. Step 2: Convert to fraction form
   4,898,460/10,379,688 = 10,379,688/x
3. Step 3: Cross multiply
   4,898,460x = 10,379,688 × 10,379,688
4. Step 4: Simplify right side
   4,898,460x = 107,737,922,977,344
5. Step 5: Solve for x
   x = 107,737,922,977,344/4,898,460
6. Step 6: Final answer
   x = 21,994,243.70