Finding the Third Proportional to 28,372 and 42,953

Step by Step Solution

1. Step 1: Write the proportion equation
   28,372 : 42,953 = 42,953 : x
2. Step 2: Convert to fraction form
   28,372/42,953 = 42,953/x
3. Step 3: Cross multiply
   28,372x = 42,953 × 42,953
4. Step 4: Simplify right side
   28,372x = 1,844,960,209
5. Step 5: Solve for x
   x = 1,844,960,209/28,372
6. Step 6: Final answer
   x = 65,027.50