Finding the Third Proportional to 915,369 and 1,914,390

Step by Step Solution

1. Step 1: Write the proportion equation
   915,369 : 1,914,390 = 1,914,390 : x
2. Step 2: Convert to fraction form
   915,369/1,914,390 = 1,914,390/x
3. Step 3: Cross multiply
   915,369x = 1,914,390 × 1,914,390
4. Step 4: Simplify right side
   915,369x = 3,664,889,072,100
5. Step 5: Solve for x
   x = 3,664,889,072,100/915,369
6. Step 6: Final answer
   x = 4,003,728.63