Finding the Third Proportional to 46,421 and 70,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,421 : 70,719.50 = 70,719.50 : x
2. Step 2: Convert to fraction form
   46,421/70,719.50 = 70,719.50/x
3. Step 3: Cross multiply
   46,421x = 70,719.50 × 70,719.50
4. Step 4: Simplify right side
   46,421x = 5,001,247,680.25
5. Step 5: Solve for x
   x = 5,001,247,680.25/46,421
6. Step 6: Final answer
   x = 107,736.75