Finding the Third Proportional to 270,354,973 and 555,042,146

Step by Step Solution

1. Step 1: Write the proportion equation
   270,354,973 : 555,042,146 = 555,042,146 : x
2. Step 2: Convert to fraction form
   270,354,973/555,042,146 = 555,042,146/x
3. Step 3: Cross multiply
   270,354,973x = 555,042,146 × 555,042,146
4. Step 4: Simplify right side
   270,354,973x = 308,071,783,836,285,312
5. Step 5: Solve for x
   x = 308,071,783,836,285,312/270,354,973
6. Step 6: Final answer
   x = 1,139,508,478.12