Finding the Third Proportional to 26,901,786 and 42,826,795

Step by Step Solution

1. Step 1: Write the proportion equation
   26,901,786 : 42,826,795 = 42,826,795 : x
2. Step 2: Convert to fraction form
   26,901,786/42,826,795 = 42,826,795/x
3. Step 3: Cross multiply
   26,901,786x = 42,826,795 × 42,826,795
4. Step 4: Simplify right side
   26,901,786x = 1,834,134,369,972,025
5. Step 5: Solve for x
   x = 1,834,134,369,972,025/26,901,786
6. Step 6: Final answer
   x = 68,178,907.15