Finding the Third Proportional to 691,298 and 1,437,774

Step by Step Solution

1. Step 1: Write the proportion equation
   691,298 : 1,437,774 = 1,437,774 : x
2. Step 2: Convert to fraction form
   691,298/1,437,774 = 1,437,774/x
3. Step 3: Cross multiply
   691,298x = 1,437,774 × 1,437,774
4. Step 4: Simplify right side
   691,298x = 2,067,194,075,076
5. Step 5: Solve for x
   x = 2,067,194,075,076/691,298
6. Step 6: Final answer
   x = 2,990,308.20