Finding the Third Proportional to 70,485.75 and 109,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,485.75 : 109,093.50 = 109,093.50 : x
2. Step 2: Convert to fraction form
   70,485.75/109,093.50 = 109,093.50/x
3. Step 3: Cross multiply
   70,485.75x = 109,093.50 × 109,093.50
4. Step 4: Simplify right side
   70,485.75x = 11,901,391,742.25
5. Step 5: Solve for x
   x = 11,901,391,742.25/70,485.75
6. Step 6: Final answer
   x = 168,848.20