Finding the Third Proportional to 1,223,266 and 2,558,070

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,266 : 2,558,070 = 2,558,070 : x
2. Step 2: Convert to fraction form
   1,223,266/2,558,070 = 2,558,070/x
3. Step 3: Cross multiply
   1,223,266x = 2,558,070 × 2,558,070
4. Step 4: Simplify right side
   1,223,266x = 6,543,722,124,900
5. Step 5: Solve for x
   x = 6,543,722,124,900/1,223,266
6. Step 6: Final answer
   x = 5,349,386.09