Finding the Third Proportional to 6,091,820 and 9,138,945

Step by Step Solution

1. Step 1: Write the proportion equation
   6,091,820 : 9,138,945 = 9,138,945 : x
2. Step 2: Convert to fraction form
   6,091,820/9,138,945 = 9,138,945/x
3. Step 3: Cross multiply
   6,091,820x = 9,138,945 × 9,138,945
4. Step 4: Simplify right side
   6,091,820x = 83,520,315,713,025
5. Step 5: Solve for x
   x = 83,520,315,713,025/6,091,820
6. Step 6: Final answer
   x = 13,710,240.24