Finding the Third Proportional to 49,445,438 and 72,738,612

Step by Step Solution

1. Step 1: Write the proportion equation
   49,445,438 : 72,738,612 = 72,738,612 : x
2. Step 2: Convert to fraction form
   49,445,438/72,738,612 = 72,738,612/x
3. Step 3: Cross multiply
   49,445,438x = 72,738,612 × 72,738,612
4. Step 4: Simplify right side
   49,445,438x = 5,290,905,675,686,544
5. Step 5: Solve for x
   x = 5,290,905,675,686,544/49,445,438
6. Step 6: Final answer
   x = 107,004,930.88