Finding the Third Proportional to 4,261,359 and 9,155,166

Step by Step Solution

1. Step 1: Write the proportion equation
   4,261,359 : 9,155,166 = 9,155,166 : x
2. Step 2: Convert to fraction form
   4,261,359/9,155,166 = 9,155,166/x
3. Step 3: Cross multiply
   4,261,359x = 9,155,166 × 9,155,166
4. Step 4: Simplify right side
   4,261,359x = 83,817,064,487,556
5. Step 5: Solve for x
   x = 83,817,064,487,556/4,261,359
6. Step 6: Final answer
   x = 19,669,092.53