Finding the Third Proportional to 1,915,038 and 2,912,355

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,038 : 2,912,355 = 2,912,355 : x
2. Step 2: Convert to fraction form
   1,915,038/2,912,355 = 2,912,355/x
3. Step 3: Cross multiply
   1,915,038x = 2,912,355 × 2,912,355
4. Step 4: Simplify right side
   1,915,038x = 8,481,811,646,025
5. Step 5: Solve for x
   x = 8,481,811,646,025/1,915,038
6. Step 6: Final answer
   x = 4,429,056.58