Finding the Third Proportional to 928,998 and 1,406,340

Step by Step Solution

1. Step 1: Write the proportion equation
   928,998 : 1,406,340 = 1,406,340 : x
2. Step 2: Convert to fraction form
   928,998/1,406,340 = 1,406,340/x
3. Step 3: Cross multiply
   928,998x = 1,406,340 × 1,406,340
4. Step 4: Simplify right side
   928,998x = 1,977,792,195,600
5. Step 5: Solve for x
   x = 1,977,792,195,600/928,998
6. Step 6: Final answer
   x = 2,128,952.05