Finding the Third Proportional to 691,322 and 1,437,826

Step by Step Solution

1. Step 1: Write the proportion equation
   691,322 : 1,437,826 = 1,437,826 : x
2. Step 2: Convert to fraction form
   691,322/1,437,826 = 1,437,826/x
3. Step 3: Cross multiply
   691,322x = 1,437,826 × 1,437,826
4. Step 4: Simplify right side
   691,322x = 2,067,343,606,276
5. Step 5: Solve for x
   x = 2,067,343,606,276/691,322
6. Step 6: Final answer
   x = 2,990,420.68