Finding the Third Proportional to 72,770.50 and 109,426

Step by Step Solution

1. Step 1: Write the proportion equation
   72,770.50 : 109,426 = 109,426 : x
2. Step 2: Convert to fraction form
   72,770.50/109,426 = 109,426/x
3. Step 3: Cross multiply
   72,770.50x = 109,426 × 109,426
4. Step 4: Simplify right side
   72,770.50x = 11,974,049,476
5. Step 5: Solve for x
   x = 11,974,049,476/72,770.50
6. Step 6: Final answer
   x = 164,545.38