Finding the Third Proportional to 689,354 and 1,506,724

Step by Step Solution

1. Step 1: Write the proportion equation
   689,354 : 1,506,724 = 1,506,724 : x
2. Step 2: Convert to fraction form
   689,354/1,506,724 = 1,506,724/x
3. Step 3: Cross multiply
   689,354x = 1,506,724 × 1,506,724
4. Step 4: Simplify right side
   689,354x = 2,270,217,212,176
5. Step 5: Solve for x
   x = 2,270,217,212,176/689,354
6. Step 6: Final answer
   x = 3,293,253.12