Finding the Third Proportional to 12,691,492 and 19,065,374

Step by Step Solution

1. Step 1: Write the proportion equation
   12,691,492 : 19,065,374 = 19,065,374 : x
2. Step 2: Convert to fraction form
   12,691,492/19,065,374 = 19,065,374/x
3. Step 3: Cross multiply
   12,691,492x = 19,065,374 × 19,065,374
4. Step 4: Simplify right side
   12,691,492x = 363,488,485,759,876
5. Step 5: Solve for x
   x = 363,488,485,759,876/12,691,492
6. Step 6: Final answer
   x = 28,640,327.38