Finding the Third Proportional to 45,009.50 and 98,490

Step by Step Solution

1. Step 1: Write the proportion equation
   45,009.50 : 98,490 = 98,490 : x
2. Step 2: Convert to fraction form
   45,009.50/98,490 = 98,490/x
3. Step 3: Cross multiply
   45,009.50x = 98,490 × 98,490
4. Step 4: Simplify right side
   45,009.50x = 9,700,280,100
5. Step 5: Solve for x
   x = 9,700,280,100/45,009.50
6. Step 6: Final answer
   x = 215,516.28