Finding the Third Proportional to 13,642.17 and 28,935.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,642.17 : 28,935.98 = 28,935.98 : x
2. Step 2: Convert to fraction form
   13,642.17/28,935.98 = 28,935.98/x
3. Step 3: Cross multiply
   13,642.17x = 28,935.98 × 28,935.98
4. Step 4: Simplify right side
   13,642.17x = 837,291,191.75
5. Step 5: Solve for x
   x = 837,291,191.75/13,642.17
6. Step 6: Final answer
   x = 61,375.21