Finding the Third Proportional to 49,436,988 and 72,385,718

Step by Step Solution

1. Step 1: Write the proportion equation
   49,436,988 : 72,385,718 = 72,385,718 : x
2. Step 2: Convert to fraction form
   49,436,988/72,385,718 = 72,385,718/x
3. Step 3: Cross multiply
   49,436,988x = 72,385,718 × 72,385,718
4. Step 4: Simplify right side
   49,436,988x = 5,239,692,170,375,524
5. Step 5: Solve for x
   x = 5,239,692,170,375,524/49,436,988
6. Step 6: Final answer
   x = 105,987,285.68