Finding the Third Proportional to 38,758.50 and 84,438.70

Step by Step Solution

1. Step 1: Write the proportion equation
   38,758.50 : 84,438.70 = 84,438.70 : x
2. Step 2: Convert to fraction form
   38,758.50/84,438.70 = 84,438.70/x
3. Step 3: Cross multiply
   38,758.50x = 84,438.70 × 84,438.70
4. Step 4: Simplify right side
   38,758.50x = 7,129,894,585.43
5. Step 5: Solve for x
   x = 7,129,894,585.43/38,758.50
6. Step 6: Final answer
   x = 183,956.93