Finding the Third Proportional to 91,938 and 140,547

Step by Step Solution

1. Step 1: Write the proportion equation
   91,938 : 140,547 = 140,547 : x
2. Step 2: Convert to fraction form
   91,938/140,547 = 140,547/x
3. Step 3: Cross multiply
   91,938x = 140,547 × 140,547
4. Step 4: Simplify right side
   91,938x = 19,753,459,209
5. Step 5: Solve for x
   x = 19,753,459,209/91,938
6. Step 6: Final answer
   x = 214,856.31