Finding the Third Proportional to 1,225,769 and 1,902,405

Step by Step Solution

1. Step 1: Write the proportion equation
   1,225,769 : 1,902,405 = 1,902,405 : x
2. Step 2: Convert to fraction form
   1,225,769/1,902,405 = 1,902,405/x
3. Step 3: Cross multiply
   1,225,769x = 1,902,405 × 1,902,405
4. Step 4: Simplify right side
   1,225,769x = 3,619,144,784,025
5. Step 5: Solve for x
   x = 3,619,144,784,025/1,225,769
6. Step 6: Final answer
   x = 2,952,550.43