Finding the Third Proportional to 472,617 and 705,835.50

Step by Step Solution

1. Step 1: Write the proportion equation
   472,617 : 705,835.50 = 705,835.50 : x
2. Step 2: Convert to fraction form
   472,617/705,835.50 = 705,835.50/x
3. Step 3: Cross multiply
   472,617x = 705,835.50 × 705,835.50
4. Step 4: Simplify right side
   472,617x = 498,203,753,060.25
5. Step 5: Solve for x
   x = 498,203,753,060.25/472,617
6. Step 6: Final answer
   x = 1,054,138.45