Finding the Third Proportional to 20,776 and 29,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,776 : 29,152.50 = 29,152.50 : x
2. Step 2: Convert to fraction form
   20,776/29,152.50 = 29,152.50/x
3. Step 3: Cross multiply
   20,776x = 29,152.50 × 29,152.50
4. Step 4: Simplify right side
   20,776x = 849,868,256.25
5. Step 5: Solve for x
   x = 849,868,256.25/20,776
6. Step 6: Final answer
   x = 40,906.25