Finding the Third Proportional to 45,487.20 and 98,705.46

Step by Step Solution

1. Step 1: Write the proportion equation
   45,487.20 : 98,705.46 = 98,705.46 : x
2. Step 2: Convert to fraction form
   45,487.20/98,705.46 = 98,705.46/x
3. Step 3: Cross multiply
   45,487.20x = 98,705.46 × 98,705.46
4. Step 4: Simplify right side
   45,487.20x = 9,742,768,018.88
5. Step 5: Solve for x
   x = 9,742,768,018.88/45,487.20
6. Step 6: Final answer
   x = 214,187.05