Finding the Third Proportional to 64,398.38 and 98,519.63

Step by Step Solution

1. Step 1: Write the proportion equation
   64,398.38 : 98,519.63 = 98,519.63 : x
2. Step 2: Convert to fraction form
   64,398.38/98,519.63 = 98,519.63/x
3. Step 3: Cross multiply
   64,398.38x = 98,519.63 × 98,519.63
4. Step 4: Simplify right side
   64,398.38x = 9,706,116,510.14
5. Step 5: Solve for x
   x = 9,706,116,510.14/64,398.38
6. Step 6: Final answer
   x = 150,719.90