Finding the Third Proportional to 3,686,124,970 and 8,123,599,624

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,124,970 : 8,123,599,624 = 8,123,599,624 : x
2. Step 2: Convert to fraction form
   3,686,124,970/8,123,599,624 = 8,123,599,624/x
3. Step 3: Cross multiply
   3,686,124,970x = 8,123,599,624 × 8,123,599,624
4. Step 4: Simplify right side
   3,686,124,970x = 65,992,870,851,052,945,408
5. Step 5: Solve for x
   x = 65,992,870,851,052,945,408/3,686,124,970
6. Step 6: Final answer
   x = 17,903,047,614.54