Finding the Third Proportional to 98,613 and 146,803.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,613 : 146,803.50 = 146,803.50 : x
2. Step 2: Convert to fraction form
   98,613/146,803.50 = 146,803.50/x
3. Step 3: Cross multiply
   98,613x = 146,803.50 × 146,803.50
4. Step 4: Simplify right side
   98,613x = 21,551,267,612.25
5. Step 5: Solve for x
   x = 21,551,267,612.25/98,613
6. Step 6: Final answer
   x = 218,543.88