Finding the Third Proportional to 264,674 and 624,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   264,674 : 624,707.50 = 624,707.50 : x
2. Step 2: Convert to fraction form
   264,674/624,707.50 = 624,707.50/x
3. Step 3: Cross multiply
   264,674x = 624,707.50 × 624,707.50
4. Step 4: Simplify right side
   264,674x = 390,259,460,556.25
5. Step 5: Solve for x
   x = 390,259,460,556.25/264,674
6. Step 6: Final answer
   x = 1,474,491.11