Finding the Third Proportional to 20,253 and 42,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,253 : 42,706.50 = 42,706.50 : x
2. Step 2: Convert to fraction form
   20,253/42,706.50 = 42,706.50/x
3. Step 3: Cross multiply
   20,253x = 42,706.50 × 42,706.50
4. Step 4: Simplify right side
   20,253x = 1,823,845,142.25
5. Step 5: Solve for x
   x = 1,823,845,142.25/20,253
6. Step 6: Final answer
   x = 90,053.09