Finding the Third Proportional to 49,990.50 and 70,308

Step by Step Solution

1. Step 1: Write the proportion equation
   49,990.50 : 70,308 = 70,308 : x
2. Step 2: Convert to fraction form
   49,990.50/70,308 = 70,308/x
3. Step 3: Cross multiply
   49,990.50x = 70,308 × 70,308
4. Step 4: Simplify right side
   49,990.50x = 4,943,214,864
5. Step 5: Solve for x
   x = 4,943,214,864/49,990.50
6. Step 6: Final answer
   x = 98,883.09