Finding the Third Proportional to 30,918,291 and 67,164,114

Step by Step Solution

1. Step 1: Write the proportion equation
   30,918,291 : 67,164,114 = 67,164,114 : x
2. Step 2: Convert to fraction form
   30,918,291/67,164,114 = 67,164,114/x
3. Step 3: Cross multiply
   30,918,291x = 67,164,114 × 67,164,114
4. Step 4: Simplify right side
   30,918,291x = 4,511,018,209,404,996
5. Step 5: Solve for x
   x = 4,511,018,209,404,996/30,918,291
6. Step 6: Final answer
   x = 145,901,279.26