Finding the Third Proportional to 247,111,689.50 and 541,698,774.50

Step by Step Solution

1. Step 1: Write the proportion equation
   247,111,689.50 : 541,698,774.50 = 541,698,774.50 : x
2. Step 2: Convert to fraction form
   247,111,689.50/541,698,774.50 = 541,698,774.50/x
3. Step 3: Cross multiply
   247,111,689.50x = 541,698,774.50 × 541,698,774.50
4. Step 4: Simplify right side
   247,111,689.50x = 293,437,562,294,801,856
5. Step 5: Solve for x
   x = 293,437,562,294,801,856/247,111,689.50
6. Step 6: Final answer
   x = 1,187,469,370.18