Finding the Third Proportional to 64,691.50 and 98,203.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,691.50 : 98,203.50 = 98,203.50 : x
2. Step 2: Convert to fraction form
   64,691.50/98,203.50 = 98,203.50/x
3. Step 3: Cross multiply
   64,691.50x = 98,203.50 × 98,203.50
4. Step 4: Simplify right side
   64,691.50x = 9,643,927,412.25
5. Step 5: Solve for x
   x = 9,643,927,412.25/64,691.50
6. Step 6: Final answer
   x = 149,075.65