Finding the Third Proportional to 402,783,105.94 and 867,543,053.06

Step by Step Solution

1. Step 1: Write the proportion equation
   402,783,105.94 : 867,543,053.06 = 867,543,053.06 : x
2. Step 2: Convert to fraction form
   402,783,105.94/867,543,053.06 = 867,543,053.06/x
3. Step 3: Cross multiply
   402,783,105.94x = 867,543,053.06 × 867,543,053.06
4. Step 4: Simplify right side
   402,783,105.94x = 752,630,948,917,003,648
5. Step 5: Solve for x
   x = 752,630,948,917,003,648/402,783,105.94
6. Step 6: Final answer
   x = 1,868,576,258.10