Finding the Third Proportional to 777,916 and 1,663,592

Step by Step Solution

1. Step 1: Write the proportion equation
   777,916 : 1,663,592 = 1,663,592 : x
2. Step 2: Convert to fraction form
   777,916/1,663,592 = 1,663,592/x
3. Step 3: Cross multiply
   777,916x = 1,663,592 × 1,663,592
4. Step 4: Simplify right side
   777,916x = 2,767,538,342,464
5. Step 5: Solve for x
   x = 2,767,538,342,464/777,916
6. Step 6: Final answer
   x = 3,557,631.34