Finding the Third Proportional to 1,007,990 and 1,559,619

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,990 : 1,559,619 = 1,559,619 : x
2. Step 2: Convert to fraction form
   1,007,990/1,559,619 = 1,559,619/x
3. Step 3: Cross multiply
   1,007,990x = 1,559,619 × 1,559,619
4. Step 4: Simplify right side
   1,007,990x = 2,432,411,425,161
5. Step 5: Solve for x
   x = 2,432,411,425,161/1,007,990
6. Step 6: Final answer
   x = 2,413,130.51