Finding the Third Proportional to 30,243.38 and 45,516.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,243.38 : 45,516.94 = 45,516.94 : x
2. Step 2: Convert to fraction form
   30,243.38/45,516.94 = 45,516.94/x
3. Step 3: Cross multiply
   30,243.38x = 45,516.94 × 45,516.94
4. Step 4: Simplify right side
   30,243.38x = 2,071,791,599.38
5. Step 5: Solve for x
   x = 2,071,791,599.38/30,243.38
6. Step 6: Final answer
   x = 68,503.98