Finding the Third Proportional to 2,143,379 and 4,623,295

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,379 : 4,623,295 = 4,623,295 : x
2. Step 2: Convert to fraction form
   2,143,379/4,623,295 = 4,623,295/x
3. Step 3: Cross multiply
   2,143,379x = 4,623,295 × 4,623,295
4. Step 4: Simplify right side
   2,143,379x = 21,374,856,657,025
5. Step 5: Solve for x
   x = 21,374,856,657,025/2,143,379
6. Step 6: Final answer
   x = 9,972,504.47