Finding the Third Proportional to 89,498,306 and 138,079,596

Step by Step Solution

1. Step 1: Write the proportion equation
   89,498,306 : 138,079,596 = 138,079,596 : x
2. Step 2: Convert to fraction form
   89,498,306/138,079,596 = 138,079,596/x
3. Step 3: Cross multiply
   89,498,306x = 138,079,596 × 138,079,596
4. Step 4: Simplify right side
   89,498,306x = 19,065,974,831,523,216
5. Step 5: Solve for x
   x = 19,065,974,831,523,216/89,498,306
6. Step 6: Final answer
   x = 213,031,683.88