Finding the Third Proportional to 198,472 and 468,136

Step by Step Solution

1. Step 1: Write the proportion equation
   198,472 : 468,136 = 468,136 : x
2. Step 2: Convert to fraction form
   198,472/468,136 = 468,136/x
3. Step 3: Cross multiply
   198,472x = 468,136 × 468,136
4. Step 4: Simplify right side
   198,472x = 219,151,314,496
5. Step 5: Solve for x
   x = 219,151,314,496/198,472
6. Step 6: Final answer
   x = 1,104,192.60