Finding the Third Proportional to 257,495,994 and 551,809,404

Step by Step Solution

1. Step 1: Write the proportion equation
   257,495,994 : 551,809,404 = 551,809,404 : x
2. Step 2: Convert to fraction form
   257,495,994/551,809,404 = 551,809,404/x
3. Step 3: Cross multiply
   257,495,994x = 551,809,404 × 551,809,404
4. Step 4: Simplify right side
   257,495,994x = 304,493,618,342,835,200
5. Step 5: Solve for x
   x = 304,493,618,342,835,200/257,495,994
6. Step 6: Final answer
   x = 1,182,517,885.47