Finding the Third Proportional to 67,315,860 and 147,445,353

Step by Step Solution

1. Step 1: Write the proportion equation
   67,315,860 : 147,445,353 = 147,445,353 : x
2. Step 2: Convert to fraction form
   67,315,860/147,445,353 = 147,445,353/x
3. Step 3: Cross multiply
   67,315,860x = 147,445,353 × 147,445,353
4. Step 4: Simplify right side
   67,315,860x = 21,740,132,121,294,608
5. Step 5: Solve for x
   x = 21,740,132,121,294,608/67,315,860
6. Step 6: Final answer
   x = 322,957,058.28