Finding the Third Proportional to 62,803.69 and 85,282.88

Step by Step Solution

1. Step 1: Write the proportion equation
   62,803.69 : 85,282.88 = 85,282.88 : x
2. Step 2: Convert to fraction form
   62,803.69/85,282.88 = 85,282.88/x
3. Step 3: Cross multiply
   62,803.69x = 85,282.88 × 85,282.88
4. Step 4: Simplify right side
   62,803.69x = 7,273,168,768.27
5. Step 5: Solve for x
   x = 7,273,168,768.27/62,803.69
6. Step 6: Final answer
   x = 115,807.99