Finding the Third Proportional to 93,489 and 200,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,489 : 200,113.50 = 200,113.50 : x
2. Step 2: Convert to fraction form
   93,489/200,113.50 = 200,113.50/x
3. Step 3: Cross multiply
   93,489x = 200,113.50 × 200,113.50
4. Step 4: Simplify right side
   93,489x = 40,045,412,882.25
5. Step 5: Solve for x
   x = 40,045,412,882.25/93,489
6. Step 6: Final answer
   x = 428,343.58