Finding the Third Proportional to 578,585 and 1,185,358

Step by Step Solution

1. Step 1: Write the proportion equation
   578,585 : 1,185,358 = 1,185,358 : x
2. Step 2: Convert to fraction form
   578,585/1,185,358 = 1,185,358/x
3. Step 3: Cross multiply
   578,585x = 1,185,358 × 1,185,358
4. Step 4: Simplify right side
   578,585x = 1,405,073,588,164
5. Step 5: Solve for x
   x = 1,405,073,588,164/578,585
6. Step 6: Final answer
   x = 2,428,465.29