Finding the Third Proportional to 21,103.50 and 45,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,103.50 : 45,892.50 = 45,892.50 : x
2. Step 2: Convert to fraction form
   21,103.50/45,892.50 = 45,892.50/x
3. Step 3: Cross multiply
   21,103.50x = 45,892.50 × 45,892.50
4. Step 4: Simplify right side
   21,103.50x = 2,106,121,556.25
5. Step 5: Solve for x
   x = 2,106,121,556.25/21,103.50
6. Step 6: Final answer
   x = 99,799.63