Finding the Third Proportional to 1,072,340 and 2,309,434

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,340 : 2,309,434 = 2,309,434 : x
2. Step 2: Convert to fraction form
   1,072,340/2,309,434 = 2,309,434/x
3. Step 3: Cross multiply
   1,072,340x = 2,309,434 × 2,309,434
4. Step 4: Simplify right side
   1,072,340x = 5,333,485,400,356
5. Step 5: Solve for x
   x = 5,333,485,400,356/1,072,340
6. Step 6: Final answer
   x = 4,973,688.76