Finding the Third Proportional to 67,818 and 147,528

Step by Step Solution

1. Step 1: Write the proportion equation
   67,818 : 147,528 = 147,528 : x
2. Step 2: Convert to fraction form
   67,818/147,528 = 147,528/x
3. Step 3: Cross multiply
   67,818x = 147,528 × 147,528
4. Step 4: Simplify right side
   67,818x = 21,764,510,784
5. Step 5: Solve for x
   x = 21,764,510,784/67,818
6. Step 6: Final answer
   x = 320,925.28