Finding the Third Proportional to 148,128 and 301,764

Step by Step Solution

1. Step 1: Write the proportion equation
   148,128 : 301,764 = 301,764 : x
2. Step 2: Convert to fraction form
   148,128/301,764 = 301,764/x
3. Step 3: Cross multiply
   148,128x = 301,764 × 301,764
4. Step 4: Simplify right side
   148,128x = 91,061,511,696
5. Step 5: Solve for x
   x = 91,061,511,696/148,128
6. Step 6: Final answer
   x = 614,748.81