Finding the Third Proportional to 62,809.69 and 85,290.94

Step by Step Solution

1. Step 1: Write the proportion equation
   62,809.69 : 85,290.94 = 85,290.94 : x
2. Step 2: Convert to fraction form
   62,809.69/85,290.94 = 85,290.94/x
3. Step 3: Cross multiply
   62,809.69x = 85,290.94 × 85,290.94
4. Step 4: Simplify right side
   62,809.69x = 7,274,544,019.63
5. Step 5: Solve for x
   x = 7,274,544,019.63/62,809.69
6. Step 6: Final answer
   x = 115,818.82