Finding the Third Proportional to 2,753,390 and 5,905,345

Step by Step Solution

1. Step 1: Write the proportion equation
   2,753,390 : 5,905,345 = 5,905,345 : x
2. Step 2: Convert to fraction form
   2,753,390/5,905,345 = 5,905,345/x
3. Step 3: Cross multiply
   2,753,390x = 5,905,345 × 5,905,345
4. Step 4: Simplify right side
   2,753,390x = 34,873,099,569,025
5. Step 5: Solve for x
   x = 34,873,099,569,025/2,753,390
6. Step 6: Final answer
   x = 12,665,513.99