Finding the Third Proportional to 7,798,569 and 12,123,132

Step by Step Solution

1. Step 1: Write the proportion equation
   7,798,569 : 12,123,132 = 12,123,132 : x
2. Step 2: Convert to fraction form
   7,798,569/12,123,132 = 12,123,132/x
3. Step 3: Cross multiply
   7,798,569x = 12,123,132 × 12,123,132
4. Step 4: Simplify right side
   7,798,569x = 146,970,329,489,424
5. Step 5: Solve for x
   x = 146,970,329,489,424/7,798,569
6. Step 6: Final answer
   x = 18,845,807.42