Finding the Third Proportional to 7,878,372 and 17,137,105

Step by Step Solution

1. Step 1: Write the proportion equation
   7,878,372 : 17,137,105 = 17,137,105 : x
2. Step 2: Convert to fraction form
   7,878,372/17,137,105 = 17,137,105/x
3. Step 3: Cross multiply
   7,878,372x = 17,137,105 × 17,137,105
4. Step 4: Simplify right side
   7,878,372x = 293,680,367,781,025
5. Step 5: Solve for x
   x = 293,680,367,781,025/7,878,372
6. Step 6: Final answer
   x = 37,276,783.55