Finding the Third Proportional to 19,443,268 and 42,546,344

Step by Step Solution

1. Step 1: Write the proportion equation
   19,443,268 : 42,546,344 = 42,546,344 : x
2. Step 2: Convert to fraction form
   19,443,268/42,546,344 = 42,546,344/x
3. Step 3: Cross multiply
   19,443,268x = 42,546,344 × 42,546,344
4. Step 4: Simplify right side
   19,443,268x = 1,810,191,387,766,336
5. Step 5: Solve for x
   x = 1,810,191,387,766,336/19,443,268
6. Step 6: Final answer
   x = 93,101,189.97