Finding the Third Proportional to 1,223,262 and 2,558,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,262 : 2,558,061 = 2,558,061 : x
2. Step 2: Convert to fraction form
   1,223,262/2,558,061 = 2,558,061/x
3. Step 3: Cross multiply
   1,223,262x = 2,558,061 × 2,558,061
4. Step 4: Simplify right side
   1,223,262x = 6,543,676,079,721
5. Step 5: Solve for x
   x = 6,543,676,079,721/1,223,262
6. Step 6: Final answer
   x = 5,349,365.94