Finding the Third Proportional to 42,163 and 64,107.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,163 : 64,107.50 = 64,107.50 : x
2. Step 2: Convert to fraction form
   42,163/64,107.50 = 64,107.50/x
3. Step 3: Cross multiply
   42,163x = 64,107.50 × 64,107.50
4. Step 4: Simplify right side
   42,163x = 4,109,771,556.25
5. Step 5: Solve for x
   x = 4,109,771,556.25/42,163
6. Step 6: Final answer
   x = 97,473.41