Finding the Third Proportional to 19,980 and 30,402

Step by Step Solution

1. Step 1: Write the proportion equation
   19,980 : 30,402 = 30,402 : x
2. Step 2: Convert to fraction form
   19,980/30,402 = 30,402/x
3. Step 3: Cross multiply
   19,980x = 30,402 × 30,402
4. Step 4: Simplify right side
   19,980x = 924,281,604
5. Step 5: Solve for x
   x = 924,281,604/19,980
6. Step 6: Final answer
   x = 46,260.34