Finding the Third Proportional to 13,156.17 and 17,068.85

Step by Step Solution

1. Step 1: Write the proportion equation
   13,156.17 : 17,068.85 = 17,068.85 : x
2. Step 2: Convert to fraction form
   13,156.17/17,068.85 = 17,068.85/x
3. Step 3: Cross multiply
   13,156.17x = 17,068.85 × 17,068.85
4. Step 4: Simplify right side
   13,156.17x = 291,345,693.66
5. Step 5: Solve for x
   x = 291,345,693.66/13,156.17
6. Step 6: Final answer
   x = 22,145.17