Finding the Third Proportional to 38,355.75 and 79,374.25

Step by Step Solution

1. Step 1: Write the proportion equation
   38,355.75 : 79,374.25 = 79,374.25 : x
2. Step 2: Convert to fraction form
   38,355.75/79,374.25 = 79,374.25/x
3. Step 3: Cross multiply
   38,355.75x = 79,374.25 × 79,374.25
4. Step 4: Simplify right side
   38,355.75x = 6,300,271,563.06
5. Step 5: Solve for x
   x = 6,300,271,563.06/38,355.75
6. Step 6: Final answer
   x = 164,258.85