Finding the Third Proportional to 70,587.50 and 112,361.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,587.50 : 112,361.50 = 112,361.50 : x
2. Step 2: Convert to fraction form
   70,587.50/112,361.50 = 112,361.50/x
3. Step 3: Cross multiply
   70,587.50x = 112,361.50 × 112,361.50
4. Step 4: Simplify right side
   70,587.50x = 12,625,106,682.25
5. Step 5: Solve for x
   x = 12,625,106,682.25/70,587.50
6. Step 6: Final answer
   x = 178,857.54