Finding the Third Proportional to 12,138,110 and 26,007,550

Step by Step Solution

1. Step 1: Write the proportion equation
   12,138,110 : 26,007,550 = 26,007,550 : x
2. Step 2: Convert to fraction form
   12,138,110/26,007,550 = 26,007,550/x
3. Step 3: Cross multiply
   12,138,110x = 26,007,550 × 26,007,550
4. Step 4: Simplify right side
   12,138,110x = 676,392,657,002,500
5. Step 5: Solve for x
   x = 676,392,657,002,500/12,138,110
6. Step 6: Final answer
   x = 55,724,709.78