Finding the Third Proportional to 13,428.56 and 29,537.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,428.56 : 29,537.72 = 29,537.72 : x
2. Step 2: Convert to fraction form
   13,428.56/29,537.72 = 29,537.72/x
3. Step 3: Cross multiply
   13,428.56x = 29,537.72 × 29,537.72
4. Step 4: Simplify right side
   13,428.56x = 872,476,828.95
5. Step 5: Solve for x
   x = 872,476,828.95/13,428.56
6. Step 6: Final answer
   x = 64,971.72