Finding the Third Proportional to 12,691,484 and 19,065,360

Step by Step Solution

1. Step 1: Write the proportion equation
   12,691,484 : 19,065,360 = 19,065,360 : x
2. Step 2: Convert to fraction form
   12,691,484/19,065,360 = 19,065,360/x
3. Step 3: Cross multiply
   12,691,484x = 19,065,360 × 19,065,360
4. Step 4: Simplify right side
   12,691,484x = 363,487,951,929,600
5. Step 5: Solve for x
   x = 363,487,951,929,600/12,691,484
6. Step 6: Final answer
   x = 28,640,303.37