Finding the Third Proportional to 1,183,269 and 2,590,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183,269 : 2,590,428 = 2,590,428 : x
2. Step 2: Convert to fraction form
   1,183,269/2,590,428 = 2,590,428/x
3. Step 3: Cross multiply
   1,183,269x = 2,590,428 × 2,590,428
4. Step 4: Simplify right side
   1,183,269x = 6,710,317,223,184
5. Step 5: Solve for x
   x = 6,710,317,223,184/1,183,269
6. Step 6: Final answer
   x = 5,670,998.92