Finding the Third Proportional to 987,696 and 2,164,131

Step by Step Solution

1. Step 1: Write the proportion equation
   987,696 : 2,164,131 = 2,164,131 : x
2. Step 2: Convert to fraction form
   987,696/2,164,131 = 2,164,131/x
3. Step 3: Cross multiply
   987,696x = 2,164,131 × 2,164,131
4. Step 4: Simplify right side
   987,696x = 4,683,462,985,161
5. Step 5: Solve for x
   x = 4,683,462,985,161/987,696
6. Step 6: Final answer
   x = 4,741,806.17