Finding the Third Proportional to 620,649 and 949,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   620,649 : 949,009.50 = 949,009.50 : x
2. Step 2: Convert to fraction form
   620,649/949,009.50 = 949,009.50/x
3. Step 3: Cross multiply
   620,649x = 949,009.50 × 949,009.50
4. Step 4: Simplify right side
   620,649x = 900,619,031,090.25
5. Step 5: Solve for x
   x = 900,619,031,090.25/620,649
6. Step 6: Final answer
   x = 1,451,092.37