Finding the Third Proportional to 1,552,290 and 2,318,859

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552,290 : 2,318,859 = 2,318,859 : x
2. Step 2: Convert to fraction form
   1,552,290/2,318,859 = 2,318,859/x
3. Step 3: Cross multiply
   1,552,290x = 2,318,859 × 2,318,859
4. Step 4: Simplify right side
   1,552,290x = 5,377,107,061,881
5. Step 5: Solve for x
   x = 5,377,107,061,881/1,552,290
6. Step 6: Final answer
   x = 3,463,983.57