Finding the Third Proportional to 1,178,029 and 1,776,863

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,029 : 1,776,863 = 1,776,863 : x
2. Step 2: Convert to fraction form
   1,178,029/1,776,863 = 1,776,863/x
3. Step 3: Cross multiply
   1,178,029x = 1,776,863 × 1,776,863
4. Step 4: Simplify right side
   1,178,029x = 3,157,242,120,769
5. Step 5: Solve for x
   x = 3,157,242,120,769/1,178,029
6. Step 6: Final answer
   x = 2,680,105.60