Finding the Third Proportional to 21,857,218 and 32,608,680

Step by Step Solution

1. Step 1: Write the proportion equation
   21,857,218 : 32,608,680 = 32,608,680 : x
2. Step 2: Convert to fraction form
   21,857,218/32,608,680 = 32,608,680/x
3. Step 3: Cross multiply
   21,857,218x = 32,608,680 × 32,608,680
4. Step 4: Simplify right side
   21,857,218x = 1,063,326,011,342,400
5. Step 5: Solve for x
   x = 1,063,326,011,342,400/21,857,218
6. Step 6: Final answer
   x = 48,648,735.23