Finding the Third Proportional to 65,454 and 98,728.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,454 : 98,728.50 = 98,728.50 : x
2. Step 2: Convert to fraction form
   65,454/98,728.50 = 98,728.50/x
3. Step 3: Cross multiply
   65,454x = 98,728.50 × 98,728.50
4. Step 4: Simplify right side
   65,454x = 9,747,316,712.25
5. Step 5: Solve for x
   x = 9,747,316,712.25/65,454
6. Step 6: Final answer
   x = 148,918.58