Finding the Third Proportional to 1,687,866 and 2,411,916

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,866 : 2,411,916 = 2,411,916 : x
2. Step 2: Convert to fraction form
   1,687,866/2,411,916 = 2,411,916/x
3. Step 3: Cross multiply
   1,687,866x = 2,411,916 × 2,411,916
4. Step 4: Simplify right side
   1,687,866x = 5,817,338,791,056
5. Step 5: Solve for x
   x = 5,817,338,791,056/1,687,866
6. Step 6: Final answer
   x = 3,446,564.35