Finding the Third Proportional to 72,881,294 and 111,757,871

Step by Step Solution

1. Step 1: Write the proportion equation
   72,881,294 : 111,757,871 = 111,757,871 : x
2. Step 2: Convert to fraction form
   72,881,294/111,757,871 = 111,757,871/x
3. Step 3: Cross multiply
   72,881,294x = 111,757,871 × 111,757,871
4. Step 4: Simplify right side
   72,881,294x = 12,489,821,730,452,640
5. Step 5: Solve for x
   x = 12,489,821,730,452,640/72,881,294
6. Step 6: Final answer
   x = 171,372,118.21