Finding the Third Proportional to 267,007,630 and 554,478,740

Step by Step Solution

1. Step 1: Write the proportion equation
   267,007,630 : 554,478,740 = 554,478,740 : x
2. Step 2: Convert to fraction form
   267,007,630/554,478,740 = 554,478,740/x
3. Step 3: Cross multiply
   267,007,630x = 554,478,740 × 554,478,740
4. Step 4: Simplify right side
   267,007,630x = 307,446,673,111,987,584
5. Step 5: Solve for x
   x = 307,446,673,111,987,584/267,007,630
6. Step 6: Final answer
   x = 1,151,452,762.27