Finding the Third Proportional to 200,880 and 432,510

Step by Step Solution

1. Step 1: Write the proportion equation
   200,880 : 432,510 = 432,510 : x
2. Step 2: Convert to fraction form
   200,880/432,510 = 432,510/x
3. Step 3: Cross multiply
   200,880x = 432,510 × 432,510
4. Step 4: Simplify right side
   200,880x = 187,064,900,100
5. Step 5: Solve for x
   x = 187,064,900,100/200,880
6. Step 6: Final answer
   x = 931,227.10