Finding the Third Proportional to 72,096,316 and 111,706,686

Step by Step Solution

1. Step 1: Write the proportion equation
   72,096,316 : 111,706,686 = 111,706,686 : x
2. Step 2: Convert to fraction form
   72,096,316/111,706,686 = 111,706,686/x
3. Step 3: Cross multiply
   72,096,316x = 111,706,686 × 111,706,686
4. Step 4: Simplify right side
   72,096,316x = 12,478,383,697,102,596
5. Step 5: Solve for x
   x = 12,478,383,697,102,596/72,096,316
6. Step 6: Final answer
   x = 173,079,352.59