Finding the Third Proportional to 21,045.50 and 35,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,045.50 : 35,071.50 = 35,071.50 : x
2. Step 2: Convert to fraction form
   21,045.50/35,071.50 = 35,071.50/x
3. Step 3: Cross multiply
   21,045.50x = 35,071.50 × 35,071.50
4. Step 4: Simplify right side
   21,045.50x = 1,230,010,112.25
5. Step 5: Solve for x
   x = 1,230,010,112.25/21,045.50
6. Step 6: Final answer
   x = 58,445.28