Finding the Third Proportional to 40,599,586 and 55,299,123

Step by Step Solution

1. Step 1: Write the proportion equation
   40,599,586 : 55,299,123 = 55,299,123 : x
2. Step 2: Convert to fraction form
   40,599,586/55,299,123 = 55,299,123/x
3. Step 3: Cross multiply
   40,599,586x = 55,299,123 × 55,299,123
4. Step 4: Simplify right side
   40,599,586x = 3,057,993,004,569,129
5. Step 5: Solve for x
   x = 3,057,993,004,569,129/40,599,586
6. Step 6: Final answer
   x = 75,320,792.79