Finding the Third Proportional to 27,195,380 and 42,171,699

Step by Step Solution

1. Step 1: Write the proportion equation
   27,195,380 : 42,171,699 = 42,171,699 : x
2. Step 2: Convert to fraction form
   27,195,380/42,171,699 = 42,171,699/x
3. Step 3: Cross multiply
   27,195,380x = 42,171,699 × 42,171,699
4. Step 4: Simplify right side
   27,195,380x = 1,778,452,196,546,601
5. Step 5: Solve for x
   x = 1,778,452,196,546,601/27,195,380
6. Step 6: Final answer
   x = 65,395,379.53