Finding the Third Proportional to 338,903,676 and 523,692,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   338,903,676 : 523,692,499.50 = 523,692,499.50 : x
2. Step 2: Convert to fraction form
   338,903,676/523,692,499.50 = 523,692,499.50/x
3. Step 3: Cross multiply
   338,903,676x = 523,692,499.50 × 523,692,499.50
4. Step 4: Simplify right side
   338,903,676x = 274,253,834,032,557,504
5. Step 5: Solve for x
   x = 274,253,834,032,557,504/338,903,676
6. Step 6: Final answer
   x = 809,238,298.24