Finding the Third Proportional to 21,978,810 and 32,309,685

Step by Step Solution

1. Step 1: Write the proportion equation
   21,978,810 : 32,309,685 = 32,309,685 : x
2. Step 2: Convert to fraction form
   21,978,810/32,309,685 = 32,309,685/x
3. Step 3: Cross multiply
   21,978,810x = 32,309,685 × 32,309,685
4. Step 4: Simplify right side
   21,978,810x = 1,043,915,744,799,225
5. Step 5: Solve for x
   x = 1,043,915,744,799,225/21,978,810
6. Step 6: Final answer
   x = 47,496,463.40