Finding the Third Proportional to 403,792,342 and 876,499,018

Step by Step Solution

1. Step 1: Write the proportion equation
   403,792,342 : 876,499,018 = 876,499,018 : x
2. Step 2: Convert to fraction form
   403,792,342/876,499,018 = 876,499,018/x
3. Step 3: Cross multiply
   403,792,342x = 876,499,018 × 876,499,018
4. Step 4: Simplify right side
   403,792,342x = 768,250,528,554,964,352
5. Step 5: Solve for x
   x = 768,250,528,554,964,352/403,792,342
6. Step 6: Final answer
   x = 1,902,588,158.93