Finding the Third Proportional to 723,580 and 1,063,690

Step by Step Solution

1. Step 1: Write the proportion equation
   723,580 : 1,063,690 = 1,063,690 : x
2. Step 2: Convert to fraction form
   723,580/1,063,690 = 1,063,690/x
3. Step 3: Cross multiply
   723,580x = 1,063,690 × 1,063,690
4. Step 4: Simplify right side
   723,580x = 1,131,436,416,100
5. Step 5: Solve for x
   x = 1,131,436,416,100/723,580
6. Step 6: Final answer
   x = 1,563,664.58