Finding the Third Proportional to 35,005.50 and 52,386.75

Step by Step Solution

1. Step 1: Write the proportion equation
   35,005.50 : 52,386.75 = 52,386.75 : x
2. Step 2: Convert to fraction form
   35,005.50/52,386.75 = 52,386.75/x
3. Step 3: Cross multiply
   35,005.50x = 52,386.75 × 52,386.75
4. Step 4: Simplify right side
   35,005.50x = 2,744,371,575.56
5. Step 5: Solve for x
   x = 2,744,371,575.56/35,005.50
6. Step 6: Final answer
   x = 78,398.30