Finding the Third Proportional to 56,926.50 and 85,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,926.50 : 85,573.50 = 85,573.50 : x
2. Step 2: Convert to fraction form
   56,926.50/85,573.50 = 85,573.50/x
3. Step 3: Cross multiply
   56,926.50x = 85,573.50 × 85,573.50
4. Step 4: Simplify right side
   56,926.50x = 7,322,823,902.25
5. Step 5: Solve for x
   x = 7,322,823,902.25/56,926.50
6. Step 6: Final answer
   x = 128,636.47