Finding the Third Proportional to 64,678.50 and 98,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,678.50 : 98,111.25 = 98,111.25 : x
2. Step 2: Convert to fraction form
   64,678.50/98,111.25 = 98,111.25/x
3. Step 3: Cross multiply
   64,678.50x = 98,111.25 × 98,111.25
4. Step 4: Simplify right side
   64,678.50x = 9,625,817,376.56
5. Step 5: Solve for x
   x = 9,625,817,376.56/64,678.50
6. Step 6: Final answer
   x = 148,825.61