Finding the Third Proportional to 7,798,529.25 and 12,123,072.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,798,529.25 : 12,123,072.75 = 12,123,072.75 : x
2. Step 2: Convert to fraction form
   7,798,529.25/12,123,072.75 = 12,123,072.75/x
3. Step 3: Cross multiply
   7,798,529.25x = 12,123,072.75 × 12,123,072.75
4. Step 4: Simplify right side
   7,798,529.25x = 146,968,892,901,792.56
5. Step 5: Solve for x
   x = 146,968,892,901,792.56/7,798,529.25
6. Step 6: Final answer
   x = 18,845,719.26