Finding the Third Proportional to 10,256.63 and 14,666.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,256.63 : 14,666.91 = 14,666.91 : x
2. Step 2: Convert to fraction form
   10,256.63/14,666.91 = 14,666.91/x
3. Step 3: Cross multiply
   10,256.63x = 14,666.91 × 14,666.91
4. Step 4: Simplify right side
   10,256.63x = 215,118,138.95
5. Step 5: Solve for x
   x = 215,118,138.95/10,256.63
6. Step 6: Final answer
   x = 20,973.58