Finding the Third Proportional to 103,640,870 and 154,890,105

Step by Step Solution

1. Step 1: Write the proportion equation
   103,640,870 : 154,890,105 = 154,890,105 : x
2. Step 2: Convert to fraction form
   103,640,870/154,890,105 = 154,890,105/x
3. Step 3: Cross multiply
   103,640,870x = 154,890,105 × 154,890,105
4. Step 4: Simplify right side
   103,640,870x = 23,990,944,626,911,024
5. Step 5: Solve for x
   x = 23,990,944,626,911,024/103,640,870
6. Step 6: Final answer
   x = 231,481,505.58