Finding the Third Proportional to 376,182,984 and 815,142,456

Step by Step Solution

1. Step 1: Write the proportion equation
   376,182,984 : 815,142,456 = 815,142,456 : x
2. Step 2: Convert to fraction form
   376,182,984/815,142,456 = 815,142,456/x
3. Step 3: Cross multiply
   376,182,984x = 815,142,456 × 815,142,456
4. Step 4: Simplify right side
   376,182,984x = 664,457,223,573,711,872
5. Step 5: Solve for x
   x = 664,457,223,573,711,872/376,182,984
6. Step 6: Final answer
   x = 1,766,313,873.39