Finding the Third Proportional to 10,139.63 and 14,901.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,139.63 : 14,901.75 = 14,901.75 : x
2. Step 2: Convert to fraction form
   10,139.63/14,901.75 = 14,901.75/x
3. Step 3: Cross multiply
   10,139.63x = 14,901.75 × 14,901.75
4. Step 4: Simplify right side
   10,139.63x = 222,062,153.06
5. Step 5: Solve for x
   x = 222,062,153.06/10,139.63
6. Step 6: Final answer
   x = 21,900.43