Finding the Third Proportional to 11,748,780 and 17,960,868

Step by Step Solution

1. Step 1: Write the proportion equation
   11,748,780 : 17,960,868 = 17,960,868 : x
2. Step 2: Convert to fraction form
   11,748,780/17,960,868 = 17,960,868/x
3. Step 3: Cross multiply
   11,748,780x = 17,960,868 × 17,960,868
4. Step 4: Simplify right side
   11,748,780x = 322,592,779,313,424
5. Step 5: Solve for x
   x = 322,592,779,313,424/11,748,780
6. Step 6: Final answer
   x = 27,457,555.53