Finding the Third Proportional to 70,903 and 111,241.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,903 : 111,241.50 = 111,241.50 : x
2. Step 2: Convert to fraction form
   70,903/111,241.50 = 111,241.50/x
3. Step 3: Cross multiply
   70,903x = 111,241.50 × 111,241.50
4. Step 4: Simplify right side
   70,903x = 12,374,671,322.25
5. Step 5: Solve for x
   x = 12,374,671,322.25/70,903
6. Step 6: Final answer
   x = 174,529.59