Finding the Third Proportional to 36,656,816 and 72,388,288

Step by Step Solution

1. Step 1: Write the proportion equation
   36,656,816 : 72,388,288 = 72,388,288 : x
2. Step 2: Convert to fraction form
   36,656,816/72,388,288 = 72,388,288/x
3. Step 3: Cross multiply
   36,656,816x = 72,388,288 × 72,388,288
4. Step 4: Simplify right side
   36,656,816x = 5,240,064,239,570,944
5. Step 5: Solve for x
   x = 5,240,064,239,570,944/36,656,816
6. Step 6: Final answer
   x = 142,949,246.86