Finding the Third Proportional to 4,666,434 and 9,705,348

Step by Step Solution

1. Step 1: Write the proportion equation
   4,666,434 : 9,705,348 = 9,705,348 : x
2. Step 2: Convert to fraction form
   4,666,434/9,705,348 = 9,705,348/x
3. Step 3: Cross multiply
   4,666,434x = 9,705,348 × 9,705,348
4. Step 4: Simplify right side
   4,666,434x = 94,193,779,801,104
5. Step 5: Solve for x
   x = 94,193,779,801,104/4,666,434
6. Step 6: Final answer
   x = 20,185,387.77