Finding the Third Proportional to 140,124 and 307,500

Step by Step Solution

1. Step 1: Write the proportion equation
   140,124 : 307,500 = 307,500 : x
2. Step 2: Convert to fraction form
   140,124/307,500 = 307,500/x
3. Step 3: Cross multiply
   140,124x = 307,500 × 307,500
4. Step 4: Simplify right side
   140,124x = 94,556,250,000
5. Step 5: Solve for x
   x = 94,556,250,000/140,124
6. Step 6: Final answer
   x = 674,804.10