Finding the Third Proportional to 11,495,364 and 19,158,129

Step by Step Solution

1. Step 1: Write the proportion equation
   11,495,364 : 19,158,129 = 19,158,129 : x
2. Step 2: Convert to fraction form
   11,495,364/19,158,129 = 19,158,129/x
3. Step 3: Cross multiply
   11,495,364x = 19,158,129 × 19,158,129
4. Step 4: Simplify right side
   11,495,364x = 367,033,906,780,641
5. Step 5: Solve for x
   x = 367,033,906,780,641/11,495,364
6. Step 6: Final answer
   x = 31,928,863.39