Finding the Third Proportional to 34,427.25 and 73,878.75

Step by Step Solution

1. Step 1: Write the proportion equation
   34,427.25 : 73,878.75 = 73,878.75 : x
2. Step 2: Convert to fraction form
   34,427.25/73,878.75 = 73,878.75/x
3. Step 3: Cross multiply
   34,427.25x = 73,878.75 × 73,878.75
4. Step 4: Simplify right side
   34,427.25x = 5,458,069,701.56
5. Step 5: Solve for x
   x = 5,458,069,701.56/34,427.25
6. Step 6: Final answer
   x = 158,539.23