Finding the Third Proportional to 777,834 and 1,663,564

Step by Step Solution

1. Step 1: Write the proportion equation
   777,834 : 1,663,564 = 1,663,564 : x
2. Step 2: Convert to fraction form
   777,834/1,663,564 = 1,663,564/x
3. Step 3: Cross multiply
   777,834x = 1,663,564 × 1,663,564
4. Step 4: Simplify right side
   777,834x = 2,767,445,182,096
5. Step 5: Solve for x
   x = 2,767,445,182,096/777,834
6. Step 6: Final answer
   x = 3,557,886.62