Finding the Third Proportional to 70,338.38 and 99,052.88

Step by Step Solution

1. Step 1: Write the proportion equation
   70,338.38 : 99,052.88 = 99,052.88 : x
2. Step 2: Convert to fraction form
   70,338.38/99,052.88 = 99,052.88/x
3. Step 3: Cross multiply
   70,338.38x = 99,052.88 × 99,052.88
4. Step 4: Simplify right side
   70,338.38x = 9,811,472,045.77
5. Step 5: Solve for x
   x = 9,811,472,045.77/70,338.38
6. Step 6: Final answer
   x = 139,489.60