Finding the Third Proportional to 4,666,476 and 9,705,431

Step by Step Solution

1. Step 1: Write the proportion equation
   4,666,476 : 9,705,431 = 9,705,431 : x
2. Step 2: Convert to fraction form
   4,666,476/9,705,431 = 9,705,431/x
3. Step 3: Cross multiply
   4,666,476x = 9,705,431 × 9,705,431
4. Step 4: Simplify right side
   4,666,476x = 94,195,390,895,761
5. Step 5: Solve for x
   x = 94,195,390,895,761/4,666,476
6. Step 6: Final answer
   x = 20,185,551.34