Finding the Third Proportional to 70,982 and 109,890

Step by Step Solution

1. Step 1: Write the proportion equation
   70,982 : 109,890 = 109,890 : x
2. Step 2: Convert to fraction form
   70,982/109,890 = 109,890/x
3. Step 3: Cross multiply
   70,982x = 109,890 × 109,890
4. Step 4: Simplify right side
   70,982x = 12,075,812,100
5. Step 5: Solve for x
   x = 12,075,812,100/70,982
6. Step 6: Final answer
   x = 170,124.99