Finding the Third Proportional to 7,766,084 and 12,156,141

Step by Step Solution

1. Step 1: Write the proportion equation
   7,766,084 : 12,156,141 = 12,156,141 : x
2. Step 2: Convert to fraction form
   7,766,084/12,156,141 = 12,156,141/x
3. Step 3: Cross multiply
   7,766,084x = 12,156,141 × 12,156,141
4. Step 4: Simplify right side
   7,766,084x = 147,771,764,011,881
5. Step 5: Solve for x
   x = 147,771,764,011,881/7,766,084
6. Step 6: Final answer
   x = 19,027,834.88