Finding the Third Proportional to 89,498,304 and 138,079,593

Step by Step Solution

1. Step 1: Write the proportion equation
   89,498,304 : 138,079,593 = 138,079,593 : x
2. Step 2: Convert to fraction form
   89,498,304/138,079,593 = 138,079,593/x
3. Step 3: Cross multiply
   89,498,304x = 138,079,593 × 138,079,593
4. Step 4: Simplify right side
   89,498,304x = 19,065,974,003,045,648
5. Step 5: Solve for x
   x = 19,065,974,003,045,648/89,498,304
6. Step 6: Final answer
   x = 213,031,679.38