Finding the Third Proportional to 10,116.63 and 20,634.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,116.63 : 20,634.50 = 20,634.50 : x
2. Step 2: Convert to fraction form
   10,116.63/20,634.50 = 20,634.50/x
3. Step 3: Cross multiply
   10,116.63x = 20,634.50 × 20,634.50
4. Step 4: Simplify right side
   10,116.63x = 425,782,590.25
5. Step 5: Solve for x
   x = 425,782,590.25/10,116.63
6. Step 6: Final answer
   x = 42,087.41