Finding the Third Proportional to 1,479,665,415 and 3,219,812,376

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479,665,415 : 3,219,812,376 = 3,219,812,376 : x
2. Step 2: Convert to fraction form
   1,479,665,415/3,219,812,376 = 3,219,812,376/x
3. Step 3: Cross multiply
   1,479,665,415x = 3,219,812,376 × 3,219,812,376
4. Step 4: Simplify right side
   1,479,665,415x = 10,367,191,736,642,764,800
5. Step 5: Solve for x
   x = 10,367,191,736,642,764,800/1,479,665,415
6. Step 6: Final answer
   x = 7,006,443,234.77