Finding the Third Proportional to 73,090 and 109,340

Step by Step Solution

1. Step 1: Write the proportion equation
   73,090 : 109,340 = 109,340 : x
2. Step 2: Convert to fraction form
   73,090/109,340 = 109,340/x
3. Step 3: Cross multiply
   73,090x = 109,340 × 109,340
4. Step 4: Simplify right side
   73,090x = 11,955,235,600
5. Step 5: Solve for x
   x = 11,955,235,600/73,090
6. Step 6: Final answer
   x = 163,568.69