Finding the Third Proportional to 1,072,266 and 2,309,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,266 : 2,309,280 = 2,309,280 : x
2. Step 2: Convert to fraction form
   1,072,266/2,309,280 = 2,309,280/x
3. Step 3: Cross multiply
   1,072,266x = 2,309,280 × 2,309,280
4. Step 4: Simplify right side
   1,072,266x = 5,332,774,118,400
5. Step 5: Solve for x
   x = 5,332,774,118,400/1,072,266
6. Step 6: Final answer
   x = 4,973,368.66