Finding the Third Proportional to 21,892.78 and 35,117.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,892.78 : 35,117.30 = 35,117.30 : x
2. Step 2: Convert to fraction form
   21,892.78/35,117.30 = 35,117.30/x
3. Step 3: Cross multiply
   21,892.78x = 35,117.30 × 35,117.30
4. Step 4: Simplify right side
   21,892.78x = 1,233,224,539.81
5. Step 5: Solve for x
   x = 1,233,224,539.81/21,892.78
6. Step 6: Final answer
   x = 56,330.19