Finding the Third Proportional to 71,821,924 and 111,438,144

Step by Step Solution

1. Step 1: Write the proportion equation
   71,821,924 : 111,438,144 = 111,438,144 : x
2. Step 2: Convert to fraction form
   71,821,924/111,438,144 = 111,438,144/x
3. Step 3: Cross multiply
   71,821,924x = 111,438,144 × 111,438,144
4. Step 4: Simplify right side
   71,821,924x = 12,418,459,938,164,736
5. Step 5: Solve for x
   x = 12,418,459,938,164,736/71,821,924
6. Step 6: Final answer
   x = 172,906,255.45