Finding the Third Proportional to 578,464.50 and 1,185,117

Step by Step Solution

1. Step 1: Write the proportion equation
   578,464.50 : 1,185,117 = 1,185,117 : x
2. Step 2: Convert to fraction form
   578,464.50/1,185,117 = 1,185,117/x
3. Step 3: Cross multiply
   578,464.50x = 1,185,117 × 1,185,117
4. Step 4: Simplify right side
   578,464.50x = 1,404,502,303,689
5. Step 5: Solve for x
   x = 1,404,502,303,689/578,464.50
6. Step 6: Final answer
   x = 2,427,983.57