Finding the Third Proportional to 4,123,448 and 8,529,748

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,448 : 8,529,748 = 8,529,748 : x
2. Step 2: Convert to fraction form
   4,123,448/8,529,748 = 8,529,748/x
3. Step 3: Cross multiply
   4,123,448x = 8,529,748 × 8,529,748
4. Step 4: Simplify right side
   4,123,448x = 72,756,600,943,504
5. Step 5: Solve for x
   x = 72,756,600,943,504/4,123,448
6. Step 6: Final answer
   x = 17,644,602.51