Finding the Third Proportional to 620,730 and 949,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   620,730 : 949,099.50 = 949,099.50 : x
2. Step 2: Convert to fraction form
   620,730/949,099.50 = 949,099.50/x
3. Step 3: Cross multiply
   620,730x = 949,099.50 × 949,099.50
4. Step 4: Simplify right side
   620,730x = 900,789,860,900.25
5. Step 5: Solve for x
   x = 900,789,860,900.25/620,730
6. Step 6: Final answer
   x = 1,451,178.23