Finding the Third Proportional to 67,748 and 147,560

Step by Step Solution

1. Step 1: Write the proportion equation
   67,748 : 147,560 = 147,560 : x
2. Step 2: Convert to fraction form
   67,748/147,560 = 147,560/x
3. Step 3: Cross multiply
   67,748x = 147,560 × 147,560
4. Step 4: Simplify right side
   67,748x = 21,773,953,600
5. Step 5: Solve for x
   x = 21,773,953,600/67,748
6. Step 6: Final answer
   x = 321,396.26