Finding the Third Proportional to 302,613 and 651,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,613 : 651,907.50 = 651,907.50 : x
2. Step 2: Convert to fraction form
   302,613/651,907.50 = 651,907.50/x
3. Step 3: Cross multiply
   302,613x = 651,907.50 × 651,907.50
4. Step 4: Simplify right side
   302,613x = 424,983,388,556.25
5. Step 5: Solve for x
   x = 424,983,388,556.25/302,613
6. Step 6: Final answer
   x = 1,404,379.15