Finding the Third Proportional to 723,586 and 1,063,699.50

Step by Step Solution

1. Step 1: Write the proportion equation
   723,586 : 1,063,699.50 = 1,063,699.50 : x
2. Step 2: Convert to fraction form
   723,586/1,063,699.50 = 1,063,699.50/x
3. Step 3: Cross multiply
   723,586x = 1,063,699.50 × 1,063,699.50
4. Step 4: Simplify right side
   723,586x = 1,131,456,626,300.25
5. Step 5: Solve for x
   x = 1,131,456,626,300.25/723,586
6. Step 6: Final answer
   x = 1,563,679.54