Finding the Third Proportional to 377,493,022.69 and 820,328,575.78

Step by Step Solution

1. Step 1: Write the proportion equation
   377,493,022.69 : 820,328,575.78 = 820,328,575.78 : x
2. Step 2: Convert to fraction form
   377,493,022.69/820,328,575.78 = 820,328,575.78/x
3. Step 3: Cross multiply
   377,493,022.69x = 820,328,575.78 × 820,328,575.78
4. Step 4: Simplify right side
   377,493,022.69x = 672,938,972,243,294,080
5. Step 5: Solve for x
   x = 672,938,972,243,294,080/377,493,022.69
6. Step 6: Final answer
   x = 1,782,652,742.70