Finding the Third Proportional to 357,294,243 and 773,945,848.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,294,243 : 773,945,848.50 = 773,945,848.50 : x
2. Step 2: Convert to fraction form
   357,294,243/773,945,848.50 = 773,945,848.50/x
3. Step 3: Cross multiply
   357,294,243x = 773,945,848.50 × 773,945,848.50
4. Step 4: Simplify right side
   357,294,243x = 598,992,176,410,384,896
5. Step 5: Solve for x
   x = 598,992,176,410,384,896/357,294,243
6. Step 6: Final answer
   x = 1,676,467,472.25