Finding the Third Proportional to 38,890.13 and 84,819.75

Step by Step Solution

1. Step 1: Write the proportion equation
   38,890.13 : 84,819.75 = 84,819.75 : x
2. Step 2: Convert to fraction form
   38,890.13/84,819.75 = 84,819.75/x
3. Step 3: Cross multiply
   38,890.13x = 84,819.75 × 84,819.75
4. Step 4: Simplify right side
   38,890.13x = 7,194,389,990.06
5. Step 5: Solve for x
   x = 7,194,389,990.06/38,890.13
6. Step 6: Final answer
   x = 184,992.72