Finding the Third Proportional to 42,588 and 64,476

Step by Step Solution

1. Step 1: Write the proportion equation
   42,588 : 64,476 = 64,476 : x
2. Step 2: Convert to fraction form
   42,588/64,476 = 64,476/x
3. Step 3: Cross multiply
   42,588x = 64,476 × 64,476
4. Step 4: Simplify right side
   42,588x = 4,157,154,576
5. Step 5: Solve for x
   x = 4,157,154,576/42,588
6. Step 6: Final answer
   x = 97,613.28