Finding the Third Proportional to 181,139,366 and 397,864,300

Step by Step Solution

1. Step 1: Write the proportion equation
   181,139,366 : 397,864,300 = 397,864,300 : x
2. Step 2: Convert to fraction form
   181,139,366/397,864,300 = 397,864,300/x
3. Step 3: Cross multiply
   181,139,366x = 397,864,300 × 397,864,300
4. Step 4: Simplify right side
   181,139,366x = 158,296,001,214,489,984
5. Step 5: Solve for x
   x = 158,296,001,214,489,984/181,139,366
6. Step 6: Final answer
   x = 873,890,666.12