Finding the Third Proportional to 13,430.25 and 29,121.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,430.25 : 29,121.75 = 29,121.75 : x
2. Step 2: Convert to fraction form
   13,430.25/29,121.75 = 29,121.75/x
3. Step 3: Cross multiply
   13,430.25x = 29,121.75 × 29,121.75
4. Step 4: Simplify right side
   13,430.25x = 848,076,323.06
5. Step 5: Solve for x
   x = 848,076,323.06/13,430.25
6. Step 6: Final answer
   x = 63,146.73