Finding the Third Proportional to 635,376 and 987,916

Step by Step Solution

1. Step 1: Write the proportion equation
   635,376 : 987,916 = 987,916 : x
2. Step 2: Convert to fraction form
   635,376/987,916 = 987,916/x
3. Step 3: Cross multiply
   635,376x = 987,916 × 987,916
4. Step 4: Simplify right side
   635,376x = 975,978,023,056
5. Step 5: Solve for x
   x = 975,978,023,056/635,376
6. Step 6: Final answer
   x = 1,536,063.72