Finding the Third Proportional to 31,491,176 and 67,812,112

Step by Step Solution

1. Step 1: Write the proportion equation
   31,491,176 : 67,812,112 = 67,812,112 : x
2. Step 2: Convert to fraction form
   31,491,176/67,812,112 = 67,812,112/x
3. Step 3: Cross multiply
   31,491,176x = 67,812,112 × 67,812,112
4. Step 4: Simplify right side
   31,491,176x = 4,598,482,533,900,544
5. Step 5: Solve for x
   x = 4,598,482,533,900,544/31,491,176
6. Step 6: Final answer
   x = 146,024,477.90