Finding the Third Proportional to 42,384.50 and 65,569.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,384.50 : 65,569.81 = 65,569.81 : x
2. Step 2: Convert to fraction form
   42,384.50/65,569.81 = 65,569.81/x
3. Step 3: Cross multiply
   42,384.50x = 65,569.81 × 65,569.81
4. Step 4: Simplify right side
   42,384.50x = 4,299,400,311.29
5. Step 5: Solve for x
   x = 4,299,400,311.29/42,384.50
6. Step 6: Final answer
   x = 101,438.03