Finding the Third Proportional to 301,421.25 and 650,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,421.25 : 650,164.50 = 650,164.50 : x
2. Step 2: Convert to fraction form
   301,421.25/650,164.50 = 650,164.50/x
3. Step 3: Cross multiply
   301,421.25x = 650,164.50 × 650,164.50
4. Step 4: Simplify right side
   301,421.25x = 422,713,877,060.25
5. Step 5: Solve for x
   x = 422,713,877,060.25/301,421.25
6. Step 6: Final answer
   x = 1,402,402.38