Finding the Third Proportional to 9,852.19 and 21,259.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,852.19 : 21,259.69 = 21,259.69 : x
2. Step 2: Convert to fraction form
   9,852.19/21,259.69 = 21,259.69/x
3. Step 3: Cross multiply
   9,852.19x = 21,259.69 × 21,259.69
4. Step 4: Simplify right side
   9,852.19x = 451,974,312.60
5. Step 5: Solve for x
   x = 451,974,312.60/9,852.19
6. Step 6: Final answer
   x = 45,875.53