Finding the Third Proportional to 988,985 and 2,117,938

Step by Step Solution

1. Step 1: Write the proportion equation
   988,985 : 2,117,938 = 2,117,938 : x
2. Step 2: Convert to fraction form
   988,985/2,117,938 = 2,117,938/x
3. Step 3: Cross multiply
   988,985x = 2,117,938 × 2,117,938
4. Step 4: Simplify right side
   988,985x = 4,485,661,371,844
5. Step 5: Solve for x
   x = 4,485,661,371,844/988,985
6. Step 6: Final answer
   x = 4,535,621.24