Finding the Third Proportional to 621,657 and 944,635.50

Step by Step Solution

1. Step 1: Write the proportion equation
   621,657 : 944,635.50 = 944,635.50 : x
2. Step 2: Convert to fraction form
   621,657/944,635.50 = 944,635.50/x
3. Step 3: Cross multiply
   621,657x = 944,635.50 × 944,635.50
4. Step 4: Simplify right side
   621,657x = 892,336,227,860.25
5. Step 5: Solve for x
   x = 892,336,227,860.25/621,657
6. Step 6: Final answer
   x = 1,435,415.72