Finding the Third Proportional to 698,989 and 1,499,928

Step by Step Solution

1. Step 1: Write the proportion equation
   698,989 : 1,499,928 = 1,499,928 : x
2. Step 2: Convert to fraction form
   698,989/1,499,928 = 1,499,928/x
3. Step 3: Cross multiply
   698,989x = 1,499,928 × 1,499,928
4. Step 4: Simplify right side
   698,989x = 2,249,784,005,184
5. Step 5: Solve for x
   x = 2,249,784,005,184/698,989
6. Step 6: Final answer
   x = 3,218,625.77