Finding the Third Proportional to 2,000,117 and 4,238,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000,117 : 4,238,272 = 4,238,272 : x
2. Step 2: Convert to fraction form
   2,000,117/4,238,272 = 4,238,272/x
3. Step 3: Cross multiply
   2,000,117x = 4,238,272 × 4,238,272
4. Step 4: Simplify right side
   2,000,117x = 17,962,949,545,984
5. Step 5: Solve for x
   x = 17,962,949,545,984/2,000,117
6. Step 6: Final answer
   x = 8,980,949.39