Finding the Third Proportional to 38,454.75 and 79,970.63

Step by Step Solution

1. Step 1: Write the proportion equation
   38,454.75 : 79,970.63 = 79,970.63 : x
2. Step 2: Convert to fraction form
   38,454.75/79,970.63 = 79,970.63/x
3. Step 3: Cross multiply
   38,454.75x = 79,970.63 × 79,970.63
4. Step 4: Simplify right side
   38,454.75x = 6,395,300,862.89
5. Step 5: Solve for x
   x = 6,395,300,862.89/38,454.75
6. Step 6: Final answer
   x = 166,307.18