Finding the Third Proportional to 9,900.35 and 21,492.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.35 : 21,492.84 = 21,492.84 : x
2. Step 2: Convert to fraction form
   9,900.35/21,492.84 = 21,492.84/x
3. Step 3: Cross multiply
   9,900.35x = 21,492.84 × 21,492.84
4. Step 4: Simplify right side
   9,900.35x = 461,942,332.46
5. Step 5: Solve for x
   x = 461,942,332.46/9,900.35
6. Step 6: Final answer
   x = 46,659.18