Finding the Third Proportional to 35,245.13 and 74,419.88

Step by Step Solution

1. Step 1: Write the proportion equation
   35,245.13 : 74,419.88 = 74,419.88 : x
2. Step 2: Convert to fraction form
   35,245.13/74,419.88 = 74,419.88/x
3. Step 3: Cross multiply
   35,245.13x = 74,419.88 × 74,419.88
4. Step 4: Simplify right side
   35,245.13x = 5,538,317,795.02
5. Step 5: Solve for x
   x = 5,538,317,795.02/35,245.13
6. Step 6: Final answer
   x = 157,137.13