Finding the Third Proportional to 28,536 and 64,956

Step by Step Solution

1. Step 1: Write the proportion equation
   28,536 : 64,956 = 64,956 : x
2. Step 2: Convert to fraction form
   28,536/64,956 = 64,956/x
3. Step 3: Cross multiply
   28,536x = 64,956 × 64,956
4. Step 4: Simplify right side
   28,536x = 4,219,281,936
5. Step 5: Solve for x
   x = 4,219,281,936/28,536
6. Step 6: Final answer
   x = 147,858.21