Finding the Third Proportional to 70,374 and 109,131

Step by Step Solution

1. Step 1: Write the proportion equation
   70,374 : 109,131 = 109,131 : x
2. Step 2: Convert to fraction form
   70,374/109,131 = 109,131/x
3. Step 3: Cross multiply
   70,374x = 109,131 × 109,131
4. Step 4: Simplify right side
   70,374x = 11,909,575,161
5. Step 5: Solve for x
   x = 11,909,575,161/70,374
6. Step 6: Final answer
   x = 169,232.60