Finding the Third Proportional to 624,405 and 929,695.50

Step by Step Solution

1. Step 1: Write the proportion equation
   624,405 : 929,695.50 = 929,695.50 : x
2. Step 2: Convert to fraction form
   624,405/929,695.50 = 929,695.50/x
3. Step 3: Cross multiply
   624,405x = 929,695.50 × 929,695.50
4. Step 4: Simplify right side
   624,405x = 864,333,722,720.25
5. Step 5: Solve for x
   x = 864,333,722,720.25/624,405
6. Step 6: Final answer
   x = 1,384,251.76