Finding the Third Proportional to 7,766,082 and 12,156,138

Step by Step Solution

1. Step 1: Write the proportion equation
   7,766,082 : 12,156,138 = 12,156,138 : x
2. Step 2: Convert to fraction form
   7,766,082/12,156,138 = 12,156,138/x
3. Step 3: Cross multiply
   7,766,082x = 12,156,138 × 12,156,138
4. Step 4: Simplify right side
   7,766,082x = 147,771,691,075,044
5. Step 5: Solve for x
   x = 147,771,691,075,044/7,766,082
6. Step 6: Final answer
   x = 19,027,830.39