Finding the Third Proportional to 434,514 and 649,303.50

Step by Step Solution

1. Step 1: Write the proportion equation
   434,514 : 649,303.50 = 649,303.50 : x
2. Step 2: Convert to fraction form
   434,514/649,303.50 = 649,303.50/x
3. Step 3: Cross multiply
   434,514x = 649,303.50 × 649,303.50
4. Step 4: Simplify right side
   434,514x = 421,595,035,112.25
5. Step 5: Solve for x
   x = 421,595,035,112.25/434,514
6. Step 6: Final answer
   x = 970,268.01