Finding the Third Proportional to 12,048,276 and 18,354,780

Step by Step Solution

1. Step 1: Write the proportion equation
   12,048,276 : 18,354,780 = 18,354,780 : x
2. Step 2: Convert to fraction form
   12,048,276/18,354,780 = 18,354,780/x
3. Step 3: Cross multiply
   12,048,276x = 18,354,780 × 18,354,780
4. Step 4: Simplify right side
   12,048,276x = 336,897,948,848,400
5. Step 5: Solve for x
   x = 336,897,948,848,400/12,048,276
6. Step 6: Final answer
   x = 27,962,336.59