Finding the Third Proportional to 19,510,962 and 42,018,654

Step by Step Solution

1. Step 1: Write the proportion equation
   19,510,962 : 42,018,654 = 42,018,654 : x
2. Step 2: Convert to fraction form
   19,510,962/42,018,654 = 42,018,654/x
3. Step 3: Cross multiply
   19,510,962x = 42,018,654 × 42,018,654
4. Step 4: Simplify right side
   19,510,962x = 1,765,567,283,971,716
5. Step 5: Solve for x
   x = 1,765,567,283,971,716/19,510,962
6. Step 6: Final answer
   x = 90,491,042.11