Finding the Third Proportional to 70,830 and 99,029.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,830 : 99,029.25 = 99,029.25 : x
2. Step 2: Convert to fraction form
   70,830/99,029.25 = 99,029.25/x
3. Step 3: Cross multiply
   70,830x = 99,029.25 × 99,029.25
4. Step 4: Simplify right side
   70,830x = 9,806,792,355.56
5. Step 5: Solve for x
   x = 9,806,792,355.56/70,830
6. Step 6: Final answer
   x = 138,455.35