Finding the Third Proportional to 45,688 and 99,136

Step by Step Solution

1. Step 1: Write the proportion equation
   45,688 : 99,136 = 99,136 : x
2. Step 2: Convert to fraction form
   45,688/99,136 = 99,136/x
3. Step 3: Cross multiply
   45,688x = 99,136 × 99,136
4. Step 4: Simplify right side
   45,688x = 9,827,946,496
5. Step 5: Solve for x
   x = 9,827,946,496/45,688
6. Step 6: Final answer
   x = 215,110.02