Finding the Third Proportional to 296,648.50 and 420,032

Step by Step Solution

1. Step 1: Write the proportion equation
   296,648.50 : 420,032 = 420,032 : x
2. Step 2: Convert to fraction form
   296,648.50/420,032 = 420,032/x
3. Step 3: Cross multiply
   296,648.50x = 420,032 × 420,032
4. Step 4: Simplify right side
   296,648.50x = 176,426,881,024
5. Step 5: Solve for x
   x = 176,426,881,024/296,648.50
6. Step 6: Final answer
   x = 594,733.77