Finding the Third Proportional to 69,455,286 and 150,867,468

Step by Step Solution

1. Step 1: Write the proportion equation
   69,455,286 : 150,867,468 = 150,867,468 : x
2. Step 2: Convert to fraction form
   69,455,286/150,867,468 = 150,867,468/x
3. Step 3: Cross multiply
   69,455,286x = 150,867,468 × 150,867,468
4. Step 4: Simplify right side
   69,455,286x = 22,760,992,900,731,024
5. Step 5: Solve for x
   x = 22,760,992,900,731,024/69,455,286
6. Step 6: Final answer
   x = 327,707,136.66