Finding the Third Proportional to 699,451,105.50 and 1,507,858,665.75

Step by Step Solution

1. Step 1: Write the proportion equation
   699,451,105.50 : 1,507,858,665.75 = 1,507,858,665.75 : x
2. Step 2: Convert to fraction form
   699,451,105.50/1,507,858,665.75 = 1,507,858,665.75/x
3. Step 3: Cross multiply
   699,451,105.50x = 1,507,858,665.75 × 1,507,858,665.75
4. Step 4: Simplify right side
   699,451,105.50x = 2,273,637,755,877,370,112
5. Step 5: Solve for x
   x = 2,273,637,755,877,370,112/699,451,105.50
6. Step 6: Final answer
   x = 3,250,602,848.43