Finding the Third Proportional to 57,409.75 and 83,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,409.75 : 83,846.50 = 83,846.50 : x
2. Step 2: Convert to fraction form
   57,409.75/83,846.50 = 83,846.50/x
3. Step 3: Cross multiply
   57,409.75x = 83,846.50 × 83,846.50
4. Step 4: Simplify right side
   57,409.75x = 7,030,235,562.25
5. Step 5: Solve for x
   x = 7,030,235,562.25/57,409.75
6. Step 6: Final answer
   x = 122,457.17