Finding the Third Proportional to 69,025.50 and 146,007.56

Step by Step Solution

1. Step 1: Write the proportion equation
   69,025.50 : 146,007.56 = 146,007.56 : x
2. Step 2: Convert to fraction form
   69,025.50/146,007.56 = 146,007.56/x
3. Step 3: Cross multiply
   69,025.50x = 146,007.56 × 146,007.56
4. Step 4: Simplify right side
   69,025.50x = 21,318,208,307.19
5. Step 5: Solve for x
   x = 21,318,208,307.19/69,025.50
6. Step 6: Final answer
   x = 308,845.40