Finding the Third Proportional to 21,068.75 and 45,136.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,068.75 : 45,136.25 = 45,136.25 : x
2. Step 2: Convert to fraction form
   21,068.75/45,136.25 = 45,136.25/x
3. Step 3: Cross multiply
   21,068.75x = 45,136.25 × 45,136.25
4. Step 4: Simplify right side
   21,068.75x = 2,037,281,064.06
5. Step 5: Solve for x
   x = 2,037,281,064.06/21,068.75
6. Step 6: Final answer
   x = 96,696.82