Finding the Third Proportional to 4,724,619,549 and 10,123,141,533

Step by Step Solution

1. Step 1: Write the proportion equation
   4,724,619,549 : 10,123,141,533 = 10,123,141,533 : x
2. Step 2: Convert to fraction form
   4,724,619,549/10,123,141,533 = 10,123,141,533/x
3. Step 3: Cross multiply
   4,724,619,549x = 10,123,141,533 × 10,123,141,533
4. Step 4: Simplify right side
   4,724,619,549x = 102,477,994,497,149,583,360
5. Step 5: Solve for x
   x = 102,477,994,497,149,583,360/4,724,619,549
6. Step 6: Final answer
   x = 21,690,210,912.08