Finding the Third Proportional to 13,870.93 and 21,736.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,870.93 : 21,736.16 = 21,736.16 : x
2. Step 2: Convert to fraction form
   13,870.93/21,736.16 = 21,736.16/x
3. Step 3: Cross multiply
   13,870.93x = 21,736.16 × 21,736.16
4. Step 4: Simplify right side
   13,870.93x = 472,460,658.34
5. Step 5: Solve for x
   x = 472,460,658.34/13,870.93
6. Step 6: Final answer
   x = 34,061.20