Finding the Third Proportional to 472,660.50 and 707,340

Step by Step Solution

1. Step 1: Write the proportion equation
   472,660.50 : 707,340 = 707,340 : x
2. Step 2: Convert to fraction form
   472,660.50/707,340 = 707,340/x
3. Step 3: Cross multiply
   472,660.50x = 707,340 × 707,340
4. Step 4: Simplify right side
   472,660.50x = 500,329,875,600
5. Step 5: Solve for x
   x = 500,329,875,600/472,660.50
6. Step 6: Final answer
   x = 1,058,539.64