Finding the Third Proportional to 64,389.50 and 98,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,389.50 : 98,498.50 = 98,498.50 : x
2. Step 2: Convert to fraction form
   64,389.50/98,498.50 = 98,498.50/x
3. Step 3: Cross multiply
   64,389.50x = 98,498.50 × 98,498.50
4. Step 4: Simplify right side
   64,389.50x = 9,701,954,502.25
5. Step 5: Solve for x
   x = 9,701,954,502.25/64,389.50
6. Step 6: Final answer
   x = 150,676.03