Finding the Third Proportional to 563,942,772 and 862,123,068

Step by Step Solution

1. Step 1: Write the proportion equation
   563,942,772 : 862,123,068 = 862,123,068 : x
2. Step 2: Convert to fraction form
   563,942,772/862,123,068 = 862,123,068/x
3. Step 3: Cross multiply
   563,942,772x = 862,123,068 × 862,123,068
4. Step 4: Simplify right side
   563,942,772x = 743,256,184,377,732,608
5. Step 5: Solve for x
   x = 743,256,184,377,732,608/563,942,772
6. Step 6: Final answer
   x = 1,317,963,845.41