Finding the Third Proportional to 70,153.31 and 106,981.31

Step by Step Solution

1. Step 1: Write the proportion equation
   70,153.31 : 106,981.31 = 106,981.31 : x
2. Step 2: Convert to fraction form
   70,153.31/106,981.31 = 106,981.31/x
3. Step 3: Cross multiply
   70,153.31x = 106,981.31 × 106,981.31
4. Step 4: Simplify right side
   70,153.31x = 11,445,001,224.22
5. Step 5: Solve for x
   x = 11,445,001,224.22/70,153.31
6. Step 6: Final answer
   x = 163,142.71