Finding the Third Proportional to 57,434.75 and 83,924.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,434.75 : 83,924.38 = 83,924.38 : x
2. Step 2: Convert to fraction form
   57,434.75/83,924.38 = 83,924.38/x
3. Step 3: Cross multiply
   57,434.75x = 83,924.38 × 83,924.38
4. Step 4: Simplify right side
   57,434.75x = 7,043,300,719.14
5. Step 5: Solve for x
   x = 7,043,300,719.14/57,434.75
6. Step 6: Final answer
   x = 122,631.35