Finding the Third Proportional to 175,916.81 and 385,048.69

Step by Step Solution

1. Step 1: Write the proportion equation
   175,916.81 : 385,048.69 = 385,048.69 : x
2. Step 2: Convert to fraction form
   175,916.81/385,048.69 = 385,048.69/x
3. Step 3: Cross multiply
   175,916.81x = 385,048.69 × 385,048.69
4. Step 4: Simplify right side
   175,916.81x = 148,262,491,745.47
5. Step 5: Solve for x
   x = 148,262,491,745.47/175,916.81
6. Step 6: Final answer
   x = 842,798.88