Finding the Third Proportional to 21,498,150,815.50 and 47,128,786,847

Step by Step Solution

1. Step 1: Write the proportion equation
   21,498,150,815.50 : 47,128,786,847 = 47,128,786,847 : x
2. Step 2: Convert to fraction form
   21,498,150,815.50/47,128,786,847 = 47,128,786,847/x
3. Step 3: Cross multiply
   21,498,150,815.50x = 47,128,786,847 × 47,128,786,847
4. Step 4: Simplify right side
   21,498,150,815.50x = 2,221,122,549,669,960,089,600
5. Step 5: Solve for x
   x = 2,221,122,549,669,960,089,600/21,498,150,815.50
6. Step 6: Final answer
   x = 103,316,911,707.06