Finding the Third Proportional to 468,215,811 and 1,084,248,688.50

Step by Step Solution

1. Step 1: Write the proportion equation
   468,215,811 : 1,084,248,688.50 = 1,084,248,688.50 : x
2. Step 2: Convert to fraction form
   468,215,811/1,084,248,688.50 = 1,084,248,688.50/x
3. Step 3: Cross multiply
   468,215,811x = 1,084,248,688.50 × 1,084,248,688.50
4. Step 4: Simplify right side
   468,215,811x = 1,175,595,218,513,969,920
5. Step 5: Solve for x
   x = 1,175,595,218,513,969,920/468,215,811
6. Step 6: Final answer
   x = 2,510,797,779.35