Finding the Third Proportional to 30,918,293 and 67,164,118

Step by Step Solution

1. Step 1: Write the proportion equation
   30,918,293 : 67,164,118 = 67,164,118 : x
2. Step 2: Convert to fraction form
   30,918,293/67,164,118 = 67,164,118/x
3. Step 3: Cross multiply
   30,918,293x = 67,164,118 × 67,164,118
4. Step 4: Simplify right side
   30,918,293x = 4,511,018,746,717,924
5. Step 5: Solve for x
   x = 4,511,018,746,717,924/30,918,293
6. Step 6: Final answer
   x = 145,901,287.20