Finding the Third Proportional to 10,221.19 and 21,875.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,221.19 : 21,875.06 = 21,875.06 : x
2. Step 2: Convert to fraction form
   10,221.19/21,875.06 = 21,875.06/x
3. Step 3: Cross multiply
   10,221.19x = 21,875.06 × 21,875.06
4. Step 4: Simplify right side
   10,221.19x = 478,518,359.38
5. Step 5: Solve for x
   x = 478,518,359.38/10,221.19
6. Step 6: Final answer
   x = 46,816.32