Finding the Third Proportional to 55,900 and 83,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,900 : 83,089.50 = 83,089.50 : x
2. Step 2: Convert to fraction form
   55,900/83,089.50 = 83,089.50/x
3. Step 3: Cross multiply
   55,900x = 83,089.50 × 83,089.50
4. Step 4: Simplify right side
   55,900x = 6,903,865,010.25
5. Step 5: Solve for x
   x = 6,903,865,010.25/55,900
6. Step 6: Final answer
   x = 123,503.85