Finding the Third Proportional to 302,586 and 651,853.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,586 : 651,853.50 = 651,853.50 : x
2. Step 2: Convert to fraction form
   302,586/651,853.50 = 651,853.50/x
3. Step 3: Cross multiply
   302,586x = 651,853.50 × 651,853.50
4. Step 4: Simplify right side
   302,586x = 424,912,985,462.25
5. Step 5: Solve for x
   x = 424,912,985,462.25/302,586
6. Step 6: Final answer
   x = 1,404,271.80