Finding the Third Proportional to 1,179,578 and 2,558,902

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179,578 : 2,558,902 = 2,558,902 : x
2. Step 2: Convert to fraction form
   1,179,578/2,558,902 = 2,558,902/x
3. Step 3: Cross multiply
   1,179,578x = 2,558,902 × 2,558,902
4. Step 4: Simplify right side
   1,179,578x = 6,547,979,445,604
5. Step 5: Solve for x
   x = 6,547,979,445,604/1,179,578
6. Step 6: Final answer
   x = 5,551,120.35