Finding the Third Proportional to 141,993 and 310,714.88

Step by Step Solution

1. Step 1: Write the proportion equation
   141,993 : 310,714.88 = 310,714.88 : x
2. Step 2: Convert to fraction form
   141,993/310,714.88 = 310,714.88/x
3. Step 3: Cross multiply
   141,993x = 310,714.88 × 310,714.88
4. Step 4: Simplify right side
   141,993x = 96,543,733,546.27
5. Step 5: Solve for x
   x = 96,543,733,546.27/141,993
6. Step 6: Final answer
   x = 679,918.96