Finding the Third Proportional to 30,603,730 and 64,661,463

Step by Step Solution

1. Step 1: Write the proportion equation
   30,603,730 : 64,661,463 = 64,661,463 : x
2. Step 2: Convert to fraction form
   30,603,730/64,661,463 = 64,661,463/x
3. Step 3: Cross multiply
   30,603,730x = 64,661,463 × 64,661,463
4. Step 4: Simplify right side
   30,603,730x = 4,181,104,797,300,369
5. Step 5: Solve for x
   x = 4,181,104,797,300,369/30,603,730
6. Step 6: Final answer
   x = 136,620,758.23