Finding the Third Proportional to 70,510.50 and 98,820

Step by Step Solution

1. Step 1: Write the proportion equation
   70,510.50 : 98,820 = 98,820 : x
2. Step 2: Convert to fraction form
   70,510.50/98,820 = 98,820/x
3. Step 3: Cross multiply
   70,510.50x = 98,820 × 98,820
4. Step 4: Simplify right side
   70,510.50x = 9,765,392,400
5. Step 5: Solve for x
   x = 9,765,392,400/70,510.50
6. Step 6: Final answer
   x = 138,495.58