Finding the Third Proportional to 1,213,866 and 1,875,555

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,866 : 1,875,555 = 1,875,555 : x
2. Step 2: Convert to fraction form
   1,213,866/1,875,555 = 1,875,555/x
3. Step 3: Cross multiply
   1,213,866x = 1,875,555 × 1,875,555
4. Step 4: Simplify right side
   1,213,866x = 3,517,706,558,025
5. Step 5: Solve for x
   x = 3,517,706,558,025/1,213,866
6. Step 6: Final answer
   x = 2,897,936.48