Finding the Third Proportional to 38,070 and 54,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,070 : 54,112.50 = 54,112.50 : x
2. Step 2: Convert to fraction form
   38,070/54,112.50 = 54,112.50/x
3. Step 3: Cross multiply
   38,070x = 54,112.50 × 54,112.50
4. Step 4: Simplify right side
   38,070x = 2,928,162,656.25
5. Step 5: Solve for x
   x = 2,928,162,656.25/38,070
6. Step 6: Final answer
   x = 76,915.23