Finding the Third Proportional to 476,713 and 699,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   476,713 : 699,485.50 = 699,485.50 : x
2. Step 2: Convert to fraction form
   476,713/699,485.50 = 699,485.50/x
3. Step 3: Cross multiply
   476,713x = 699,485.50 × 699,485.50
4. Step 4: Simplify right side
   476,713x = 489,279,964,710.25
5. Step 5: Solve for x
   x = 489,279,964,710.25/476,713
6. Step 6: Final answer
   x = 1,026,361.70