Finding the Third Proportional to 688,736 and 1,499,454

Step by Step Solution

1. Step 1: Write the proportion equation
   688,736 : 1,499,454 = 1,499,454 : x
2. Step 2: Convert to fraction form
   688,736/1,499,454 = 1,499,454/x
3. Step 3: Cross multiply
   688,736x = 1,499,454 × 1,499,454
4. Step 4: Simplify right side
   688,736x = 2,248,362,298,116
5. Step 5: Solve for x
   x = 2,248,362,298,116/688,736
6. Step 6: Final answer
   x = 3,264,476.23