Finding the Third Proportional to 98,443.50 and 147,634.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,443.50 : 147,634.50 = 147,634.50 : x
2. Step 2: Convert to fraction form
   98,443.50/147,634.50 = 147,634.50/x
3. Step 3: Cross multiply
   98,443.50x = 147,634.50 × 147,634.50
4. Step 4: Simplify right side
   98,443.50x = 21,795,945,590.25
5. Step 5: Solve for x
   x = 21,795,945,590.25/98,443.50
6. Step 6: Final answer
   x = 221,405.63