Finding the Third Proportional to 9,430.17 and 19,634.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,430.17 : 19,634.91 = 19,634.91 : x
2. Step 2: Convert to fraction form
   9,430.17/19,634.91 = 19,634.91/x
3. Step 3: Cross multiply
   9,430.17x = 19,634.91 × 19,634.91
4. Step 4: Simplify right side
   9,430.17x = 385,529,543.45
5. Step 5: Solve for x
   x = 385,529,543.45/9,430.17
6. Step 6: Final answer
   x = 40,882.56