Finding the Third Proportional to 12,748 and 19,784

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748 : 19,784 = 19,784 : x
2. Step 2: Convert to fraction form
   12,748/19,784 = 19,784/x
3. Step 3: Cross multiply
   12,748x = 19,784 × 19,784
4. Step 4: Simplify right side
   12,748x = 391,406,656
5. Step 5: Solve for x
   x = 391,406,656/12,748
6. Step 6: Final answer
   x = 30,703.38