Finding the Third Proportional to 12,428,720 and 26,584,470

Step by Step Solution

1. Step 1: Write the proportion equation
   12,428,720 : 26,584,470 = 26,584,470 : x
2. Step 2: Convert to fraction form
   12,428,720/26,584,470 = 26,584,470/x
3. Step 3: Cross multiply
   12,428,720x = 26,584,470 × 26,584,470
4. Step 4: Simplify right side
   12,428,720x = 706,734,045,180,900
5. Step 5: Solve for x
   x = 706,734,045,180,900/12,428,720
6. Step 6: Final answer
   x = 56,862,979.07