Finding the Third Proportional to 21,921,060 and 30,646,932

Step by Step Solution

1. Step 1: Write the proportion equation
   21,921,060 : 30,646,932 = 30,646,932 : x
2. Step 2: Convert to fraction form
   21,921,060/30,646,932 = 30,646,932/x
3. Step 3: Cross multiply
   21,921,060x = 30,646,932 × 30,646,932
4. Step 4: Simplify right side
   21,921,060x = 939,234,441,012,624
5. Step 5: Solve for x
   x = 939,234,441,012,624/21,921,060
6. Step 6: Final answer
   x = 42,846,214.60