Finding the Third Proportional to 42,651.75 and 64,564.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,651.75 : 64,564.88 = 64,564.88 : x
2. Step 2: Convert to fraction form
   42,651.75/64,564.88 = 64,564.88/x
3. Step 3: Cross multiply
   42,651.75x = 64,564.88 × 64,564.88
4. Step 4: Simplify right side
   42,651.75x = 4,168,623,083.77
5. Step 5: Solve for x
   x = 4,168,623,083.77/42,651.75
6. Step 6: Final answer
   x = 97,736.27