Finding the Third Proportional to 1,072,260 and 2,309,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,260 : 2,309,272 = 2,309,272 : x
2. Step 2: Convert to fraction form
   1,072,260/2,309,272 = 2,309,272/x
3. Step 3: Cross multiply
   1,072,260x = 2,309,272 × 2,309,272
4. Step 4: Simplify right side
   1,072,260x = 5,332,737,169,984
5. Step 5: Solve for x
   x = 5,332,737,169,984/1,072,260
6. Step 6: Final answer
   x = 4,973,362.03