Finding the Third Proportional to 2,153,916 and 3,379,158

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,916 : 3,379,158 = 3,379,158 : x
2. Step 2: Convert to fraction form
   2,153,916/3,379,158 = 3,379,158/x
3. Step 3: Cross multiply
   2,153,916x = 3,379,158 × 3,379,158
4. Step 4: Simplify right side
   2,153,916x = 11,418,708,788,964
5. Step 5: Solve for x
   x = 11,418,708,788,964/2,153,916
6. Step 6: Final answer
   x = 5,301,371.45