Finding the Third Proportional to 578,590.50 and 1,185,369

Step by Step Solution

1. Step 1: Write the proportion equation
   578,590.50 : 1,185,369 = 1,185,369 : x
2. Step 2: Convert to fraction form
   578,590.50/1,185,369 = 1,185,369/x
3. Step 3: Cross multiply
   578,590.50x = 1,185,369 × 1,185,369
4. Step 4: Simplify right side
   578,590.50x = 1,405,099,666,161
5. Step 5: Solve for x
   x = 1,405,099,666,161/578,590.50
6. Step 6: Final answer
   x = 2,428,487.27