Finding the Third Proportional to 28,575 and 42,835

Step by Step Solution

1. Step 1: Write the proportion equation
   28,575 : 42,835 = 42,835 : x
2. Step 2: Convert to fraction form
   28,575/42,835 = 42,835/x
3. Step 3: Cross multiply
   28,575x = 42,835 × 42,835
4. Step 4: Simplify right side
   28,575x = 1,834,837,225
5. Step 5: Solve for x
   x = 1,834,837,225/28,575
6. Step 6: Final answer
   x = 64,211.28