Finding the Third Proportional to 810,076,640 and 1,767,340,916

Step by Step Solution

1. Step 1: Write the proportion equation
   810,076,640 : 1,767,340,916 = 1,767,340,916 : x
2. Step 2: Convert to fraction form
   810,076,640/1,767,340,916 = 1,767,340,916/x
3. Step 3: Cross multiply
   810,076,640x = 1,767,340,916 × 1,767,340,916
4. Step 4: Simplify right side
   810,076,640x = 3,123,493,913,367,718,912
5. Step 5: Solve for x
   x = 3,123,493,913,367,718,912/810,076,640
6. Step 6: Final answer
   x = 3,855,800,499.77