Finding the Third Proportional to 42,036.47 and 64,286.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036.47 : 64,286.16 = 64,286.16 : x
2. Step 2: Convert to fraction form
   42,036.47/64,286.16 = 64,286.16/x
3. Step 3: Cross multiply
   42,036.47x = 64,286.16 × 64,286.16
4. Step 4: Simplify right side
   42,036.47x = 4,132,709,885.40
5. Step 5: Solve for x
   x = 4,132,709,885.40/42,036.47
6. Step 6: Final answer
   x = 98,312.49