Finding the Third Proportional to 46,428 and 70,730

Step by Step Solution

1. Step 1: Write the proportion equation
   46,428 : 70,730 = 70,730 : x
2. Step 2: Convert to fraction form
   46,428/70,730 = 70,730/x
3. Step 3: Cross multiply
   46,428x = 70,730 × 70,730
4. Step 4: Simplify right side
   46,428x = 5,002,732,900
5. Step 5: Solve for x
   x = 5,002,732,900/46,428
6. Step 6: Final answer
   x = 107,752.50