Finding the Third Proportional to 468,148.50 and 707,142

Step by Step Solution

1. Step 1: Write the proportion equation
   468,148.50 : 707,142 = 707,142 : x
2. Step 2: Convert to fraction form
   468,148.50/707,142 = 707,142/x
3. Step 3: Cross multiply
   468,148.50x = 707,142 × 707,142
4. Step 4: Simplify right side
   468,148.50x = 500,049,808,164
5. Step 5: Solve for x
   x = 500,049,808,164/468,148.50
6. Step 6: Final answer
   x = 1,068,143.57