Finding the Third Proportional to 4,475,769 and 9,789,429

Step by Step Solution

1. Step 1: Write the proportion equation
   4,475,769 : 9,789,429 = 9,789,429 : x
2. Step 2: Convert to fraction form
   4,475,769/9,789,429 = 9,789,429/x
3. Step 3: Cross multiply
   4,475,769x = 9,789,429 × 9,789,429
4. Step 4: Simplify right side
   4,475,769x = 95,832,920,146,041
5. Step 5: Solve for x
   x = 95,832,920,146,041/4,475,769
6. Step 6: Final answer
   x = 21,411,498.26