Finding the Third Proportional to 879,888,357 and 1,911,112,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   879,888,357 : 1,911,112,942.50 = 1,911,112,942.50 : x
2. Step 2: Convert to fraction form
   879,888,357/1,911,112,942.50 = 1,911,112,942.50/x
3. Step 3: Cross multiply
   879,888,357x = 1,911,112,942.50 × 1,911,112,942.50
4. Step 4: Simplify right side
   879,888,357x = 3,652,352,678,991,008,256
5. Step 5: Solve for x
   x = 3,652,352,678,991,008,256/879,888,357
6. Step 6: Final answer
   x = 4,150,927,387.47