Finding the Third Proportional to 620,773 and 949,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   620,773 : 949,191.50 = 949,191.50 : x
2. Step 2: Convert to fraction form
   620,773/949,191.50 = 949,191.50/x
3. Step 3: Cross multiply
   620,773x = 949,191.50 × 949,191.50
4. Step 4: Simplify right side
   620,773x = 900,964,503,672.25
5. Step 5: Solve for x
   x = 900,964,503,672.25/620,773
6. Step 6: Final answer
   x = 1,451,359.04