Finding the Third Proportional to 70,153.59 and 106,981.59

Step by Step Solution

1. Step 1: Write the proportion equation
   70,153.59 : 106,981.59 = 106,981.59 : x
2. Step 2: Convert to fraction form
   70,153.59/106,981.59 = 106,981.59/x
3. Step 3: Cross multiply
   70,153.59x = 106,981.59 × 106,981.59
4. Step 4: Simplify right side
   70,153.59x = 11,445,061,401.29
5. Step 5: Solve for x
   x = 11,445,061,401.29/70,153.59
6. Step 6: Final answer
   x = 163,142.91