Finding the Third Proportional to 69,007.50 and 147,683.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,007.50 : 147,683.25 = 147,683.25 : x
2. Step 2: Convert to fraction form
   69,007.50/147,683.25 = 147,683.25/x
3. Step 3: Cross multiply
   69,007.50x = 147,683.25 × 147,683.25
4. Step 4: Simplify right side
   69,007.50x = 21,810,342,330.56
5. Step 5: Solve for x
   x = 21,810,342,330.56/69,007.50
6. Step 6: Final answer
   x = 316,057.56