Finding the Third Proportional to 270,354,973.50 and 555,042,150

Step by Step Solution

1. Step 1: Write the proportion equation
   270,354,973.50 : 555,042,150 = 555,042,150 : x
2. Step 2: Convert to fraction form
   270,354,973.50/555,042,150 = 555,042,150/x
3. Step 3: Cross multiply
   270,354,973.50x = 555,042,150 × 555,042,150
4. Step 4: Simplify right side
   270,354,973.50x = 308,071,788,276,622,528
5. Step 5: Solve for x
   x = 308,071,788,276,622,528/270,354,973.50
6. Step 6: Final answer
   x = 1,139,508,492.44