Finding the Third Proportional to 93,624 and 200,640

Step by Step Solution

1. Step 1: Write the proportion equation
   93,624 : 200,640 = 200,640 : x
2. Step 2: Convert to fraction form
   93,624/200,640 = 200,640/x
3. Step 3: Cross multiply
   93,624x = 200,640 × 200,640
4. Step 4: Simplify right side
   93,624x = 40,256,409,600
5. Step 5: Solve for x
   x = 40,256,409,600/93,624
6. Step 6: Final answer
   x = 429,979.59