Finding the Third Proportional to 70,851.38 and 99,054.56

Step by Step Solution

1. Step 1: Write the proportion equation
   70,851.38 : 99,054.56 = 99,054.56 : x
2. Step 2: Convert to fraction form
   70,851.38/99,054.56 = 99,054.56/x
3. Step 3: Cross multiply
   70,851.38x = 99,054.56 × 99,054.56
4. Step 4: Simplify right side
   70,851.38x = 9,811,806,352.07
5. Step 5: Solve for x
   x = 9,811,806,352.07/70,851.38
6. Step 6: Final answer
   x = 138,484.35