Finding the Third Proportional to 57,905 and 91,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,905 : 91,764.50 = 91,764.50 : x
2. Step 2: Convert to fraction form
   57,905/91,764.50 = 91,764.50/x
3. Step 3: Cross multiply
   57,905x = 91,764.50 × 91,764.50
4. Step 4: Simplify right side
   57,905x = 8,420,723,460.25
5. Step 5: Solve for x
   x = 8,420,723,460.25/57,905
6. Step 6: Final answer
   x = 145,423.08