Finding the Third Proportional to 718,234,978.50 and 1,010,992,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   718,234,978.50 : 1,010,992,369.50 = 1,010,992,369.50 : x
2. Step 2: Convert to fraction form
   718,234,978.50/1,010,992,369.50 = 1,010,992,369.50/x
3. Step 3: Cross multiply
   718,234,978.50x = 1,010,992,369.50 × 1,010,992,369.50
4. Step 4: Simplify right side
   718,234,978.50x = 1,022,105,571,187,224,576
5. Step 5: Solve for x
   x = 1,022,105,571,187,224,576/718,234,978.50
6. Step 6: Final answer
   x = 1,423,079,635.19