Finding the Third Proportional to 377,493,009 and 820,328,548.50

Step by Step Solution

1. Step 1: Write the proportion equation
   377,493,009 : 820,328,548.50 = 820,328,548.50 : x
2. Step 2: Convert to fraction form
   377,493,009/820,328,548.50 = 820,328,548.50/x
3. Step 3: Cross multiply
   377,493,009x = 820,328,548.50 × 820,328,548.50
4. Step 4: Simplify right side
   377,493,009x = 672,938,927,484,116,864
5. Step 5: Solve for x
   x = 672,938,927,484,116,864/377,493,009
6. Step 6: Final answer
   x = 1,782,652,688.77