Finding the Third Proportional to 45,688.50 and 70,316

Step by Step Solution

1. Step 1: Write the proportion equation
   45,688.50 : 70,316 = 70,316 : x
2. Step 2: Convert to fraction form
   45,688.50/70,316 = 70,316/x
3. Step 3: Cross multiply
   45,688.50x = 70,316 × 70,316
4. Step 4: Simplify right side
   45,688.50x = 4,944,339,856
5. Step 5: Solve for x
   x = 4,944,339,856/45,688.50
6. Step 6: Final answer
   x = 108,218.48