Finding the Third Proportional to 403,195,968 and 879,680,970

Step by Step Solution

1. Step 1: Write the proportion equation
   403,195,968 : 879,680,970 = 879,680,970 : x
2. Step 2: Convert to fraction form
   403,195,968/879,680,970 = 879,680,970/x
3. Step 3: Cross multiply
   403,195,968x = 879,680,970 × 879,680,970
4. Step 4: Simplify right side
   403,195,968x = 773,838,608,980,140,928
5. Step 5: Solve for x
   x = 773,838,608,980,140,928/403,195,968
6. Step 6: Final answer
   x = 1,919,261,774.41