Finding the Third Proportional to 54,237.38 and 83,968.88

Step by Step Solution

1. Step 1: Write the proportion equation
   54,237.38 : 83,968.88 = 83,968.88 : x
2. Step 2: Convert to fraction form
   54,237.38/83,968.88 = 83,968.88/x
3. Step 3: Cross multiply
   54,237.38x = 83,968.88 × 83,968.88
4. Step 4: Simplify right side
   54,237.38x = 7,050,771,968.77
5. Step 5: Solve for x
   x = 7,050,771,968.77/54,237.38
6. Step 6: Final answer
   x = 129,998.40