Finding the Third Proportional to 688,760 and 1,033,124

Step by Step Solution

1. Step 1: Write the proportion equation
   688,760 : 1,033,124 = 1,033,124 : x
2. Step 2: Convert to fraction form
   688,760/1,033,124 = 1,033,124/x
3. Step 3: Cross multiply
   688,760x = 1,033,124 × 1,033,124
4. Step 4: Simplify right side
   688,760x = 1,067,345,199,376
5. Step 5: Solve for x
   x = 1,067,345,199,376/688,760
6. Step 6: Final answer
   x = 1,549,662.00