Finding the Third Proportional to 870,439,759.50 and 1,911,879,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   870,439,759.50 : 1,911,879,706.50 = 1,911,879,706.50 : x
2. Step 2: Convert to fraction form
   870,439,759.50/1,911,879,706.50 = 1,911,879,706.50/x
3. Step 3: Cross multiply
   870,439,759.50x = 1,911,879,706.50 × 1,911,879,706.50
4. Step 4: Simplify right side
   870,439,759.50x = 3,655,284,012,126,525,952
5. Step 5: Solve for x
   x = 3,655,284,012,126,525,952/870,439,759.50
6. Step 6: Final answer
   x = 4,199,353,226.04