Finding the Third Proportional to 67,390 and 103,146

Step by Step Solution

1. Step 1: Write the proportion equation
   67,390 : 103,146 = 103,146 : x
2. Step 2: Convert to fraction form
   67,390/103,146 = 103,146/x
3. Step 3: Cross multiply
   67,390x = 103,146 × 103,146
4. Step 4: Simplify right side
   67,390x = 10,639,097,316
5. Step 5: Solve for x
   x = 10,639,097,316/67,390
6. Step 6: Final answer
   x = 157,873.53