Finding the Third Proportional to 17,897,498 and 38,780,980

Step by Step Solution

1. Step 1: Write the proportion equation
   17,897,498 : 38,780,980 = 38,780,980 : x
2. Step 2: Convert to fraction form
   17,897,498/38,780,980 = 38,780,980/x
3. Step 3: Cross multiply
   17,897,498x = 38,780,980 × 38,780,980
4. Step 4: Simplify right side
   17,897,498x = 1,503,964,409,760,400
5. Step 5: Solve for x
   x = 1,503,964,409,760,400/17,897,498
6. Step 6: Final answer
   x = 84,032,103.80