Finding the Third Proportional to 17,890,056 and 39,294,648

Step by Step Solution

1. Step 1: Write the proportion equation
   17,890,056 : 39,294,648 = 39,294,648 : x
2. Step 2: Convert to fraction form
   17,890,056/39,294,648 = 39,294,648/x
3. Step 3: Cross multiply
   17,890,056x = 39,294,648 × 39,294,648
4. Step 4: Simplify right side
   17,890,056x = 1,544,069,361,443,904
5. Step 5: Solve for x
   x = 1,544,069,361,443,904/17,890,056
6. Step 6: Final answer
   x = 86,308,805.37