Finding the Third Proportional to 17,389,438 and 38,138,108

Step by Step Solution

1. Step 1: Write the proportion equation
   17,389,438 : 38,138,108 = 38,138,108 : x
2. Step 2: Convert to fraction form
   17,389,438/38,138,108 = 38,138,108/x
3. Step 3: Cross multiply
   17,389,438x = 38,138,108 × 38,138,108
4. Step 4: Simplify right side
   17,389,438x = 1,454,515,281,819,664
5. Step 5: Solve for x
   x = 1,454,515,281,819,664/17,389,438
6. Step 6: Final answer
   x = 83,643,604.92