Finding the Third Proportional to 70,477.50 and 146,769

Step by Step Solution

1. Step 1: Write the proportion equation
   70,477.50 : 146,769 = 146,769 : x
2. Step 2: Convert to fraction form
   70,477.50/146,769 = 146,769/x
3. Step 3: Cross multiply
   70,477.50x = 146,769 × 146,769
4. Step 4: Simplify right side
   70,477.50x = 21,541,139,361
5. Step 5: Solve for x
   x = 21,541,139,361/70,477.50
6. Step 6: Final answer
   x = 305,645.62