Finding the Third Proportional to 1,438,470 and 2,072,025

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,470 : 2,072,025 = 2,072,025 : x
2. Step 2: Convert to fraction form
   1,438,470/2,072,025 = 2,072,025/x
3. Step 3: Cross multiply
   1,438,470x = 2,072,025 × 2,072,025
4. Step 4: Simplify right side
   1,438,470x = 4,293,287,600,625
5. Step 5: Solve for x
   x = 4,293,287,600,625/1,438,470
6. Step 6: Final answer
   x = 2,984,620.88