Finding the Third Proportional to 42,352 and 64,416

Step by Step Solution

1. Step 1: Write the proportion equation
   42,352 : 64,416 = 64,416 : x
2. Step 2: Convert to fraction form
   42,352/64,416 = 64,416/x
3. Step 3: Cross multiply
   42,352x = 64,416 × 64,416
4. Step 4: Simplify right side
   42,352x = 4,149,421,056
5. Step 5: Solve for x
   x = 4,149,421,056/42,352
6. Step 6: Final answer
   x = 97,974.62