Finding the Third Proportional to 64,487 and 98,583.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,487 : 98,583.50 = 98,583.50 : x
2. Step 2: Convert to fraction form
   64,487/98,583.50 = 98,583.50/x
3. Step 3: Cross multiply
   64,487x = 98,583.50 × 98,583.50
4. Step 4: Simplify right side
   64,487x = 9,718,706,472.25
5. Step 5: Solve for x
   x = 9,718,706,472.25/64,487
6. Step 6: Final answer
   x = 150,707.99