Finding the Third Proportional to 30,892.50 and 67,437

Step by Step Solution

1. Step 1: Write the proportion equation
   30,892.50 : 67,437 = 67,437 : x
2. Step 2: Convert to fraction form
   30,892.50/67,437 = 67,437/x
3. Step 3: Cross multiply
   30,892.50x = 67,437 × 67,437
4. Step 4: Simplify right side
   30,892.50x = 4,547,748,969
5. Step 5: Solve for x
   x = 4,547,748,969/30,892.50
6. Step 6: Final answer
   x = 147,212.07