Finding the Third Proportional to 3,739,146 and 8,133,426

Step by Step Solution

1. Step 1: Write the proportion equation
   3,739,146 : 8,133,426 = 8,133,426 : x
2. Step 2: Convert to fraction form
   3,739,146/8,133,426 = 8,133,426/x
3. Step 3: Cross multiply
   3,739,146x = 8,133,426 × 8,133,426
4. Step 4: Simplify right side
   3,739,146x = 66,152,618,497,476
5. Step 5: Solve for x
   x = 66,152,618,497,476/3,739,146
6. Step 6: Final answer
   x = 17,691,905.72