Finding the Third Proportional to 93,487 and 200,090

Step by Step Solution

1. Step 1: Write the proportion equation
   93,487 : 200,090 = 200,090 : x
2. Step 2: Convert to fraction form
   93,487/200,090 = 200,090/x
3. Step 3: Cross multiply
   93,487x = 200,090 × 200,090
4. Step 4: Simplify right side
   93,487x = 40,036,008,100
5. Step 5: Solve for x
   x = 40,036,008,100/93,487
6. Step 6: Final answer
   x = 428,252.14