Finding the Third Proportional to 300,290 and 652,500

Step by Step Solution

1. Step 1: Write the proportion equation
   300,290 : 652,500 = 652,500 : x
2. Step 2: Convert to fraction form
   300,290/652,500 = 652,500/x
3. Step 3: Cross multiply
   300,290x = 652,500 × 652,500
4. Step 4: Simplify right side
   300,290x = 425,756,250,000
5. Step 5: Solve for x
   x = 425,756,250,000/300,290
6. Step 6: Final answer
   x = 1,417,816.94