Finding the Third Proportional to 4,261,356 and 9,155,160

Step by Step Solution

1. Step 1: Write the proportion equation
   4,261,356 : 9,155,160 = 9,155,160 : x
2. Step 2: Convert to fraction form
   4,261,356/9,155,160 = 9,155,160/x
3. Step 3: Cross multiply
   4,261,356x = 9,155,160 × 9,155,160
4. Step 4: Simplify right side
   4,261,356x = 83,816,954,625,600
5. Step 5: Solve for x
   x = 83,816,954,625,600/4,261,356
6. Step 6: Final answer
   x = 19,669,080.60