Finding the Third Proportional to 30,385.97 and 45,998.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,385.97 : 45,998.72 = 45,998.72 : x
2. Step 2: Convert to fraction form
   30,385.97/45,998.72 = 45,998.72/x
3. Step 3: Cross multiply
   30,385.97x = 45,998.72 × 45,998.72
4. Step 4: Simplify right side
   30,385.97x = 2,115,882,126.64
5. Step 5: Solve for x
   x = 2,115,882,126.64/30,385.97
6. Step 6: Final answer
   x = 69,633.53