Finding the Third Proportional to 472,806 and 707,539.50

Step by Step Solution

1. Step 1: Write the proportion equation
   472,806 : 707,539.50 = 707,539.50 : x
2. Step 2: Convert to fraction form
   472,806/707,539.50 = 707,539.50/x
3. Step 3: Cross multiply
   472,806x = 707,539.50 × 707,539.50
4. Step 4: Simplify right side
   472,806x = 500,612,144,060.25
5. Step 5: Solve for x
   x = 500,612,144,060.25/472,806
6. Step 6: Final answer
   x = 1,058,810.90