Finding the Third Proportional to 49,858,454 and 76,588,680

Step by Step Solution

1. Step 1: Write the proportion equation
   49,858,454 : 76,588,680 = 76,588,680 : x
2. Step 2: Convert to fraction form
   49,858,454/76,588,680 = 76,588,680/x
3. Step 3: Cross multiply
   49,858,454x = 76,588,680 × 76,588,680
4. Step 4: Simplify right side
   49,858,454x = 5,865,825,904,142,400
5. Step 5: Solve for x
   x = 5,865,825,904,142,400/49,858,454
6. Step 6: Final answer
   x = 117,649,574.62