Finding the Third Proportional to 17,980,618 and 38,838,476

Step by Step Solution

1. Step 1: Write the proportion equation
   17,980,618 : 38,838,476 = 38,838,476 : x
2. Step 2: Convert to fraction form
   17,980,618/38,838,476 = 38,838,476/x
3. Step 3: Cross multiply
   17,980,618x = 38,838,476 × 38,838,476
4. Step 4: Simplify right side
   17,980,618x = 1,508,427,218,002,576
5. Step 5: Solve for x
   x = 1,508,427,218,002,576/17,980,618
6. Step 6: Final answer
   x = 83,891,844.99