Finding the Third Proportional to 72,881,292 and 111,757,868

Step by Step Solution

1. Step 1: Write the proportion equation
   72,881,292 : 111,757,868 = 111,757,868 : x
2. Step 2: Convert to fraction form
   72,881,292/111,757,868 = 111,757,868/x
3. Step 3: Cross multiply
   72,881,292x = 111,757,868 × 111,757,868
4. Step 4: Simplify right side
   72,881,292x = 12,489,821,059,905,424
5. Step 5: Solve for x
   x = 12,489,821,059,905,424/72,881,292
6. Step 6: Final answer
   x = 171,372,113.71