Finding the Third Proportional to 761,364 and 1,071,218

Step by Step Solution

1. Step 1: Write the proportion equation
   761,364 : 1,071,218 = 1,071,218 : x
2. Step 2: Convert to fraction form
   761,364/1,071,218 = 1,071,218/x
3. Step 3: Cross multiply
   761,364x = 1,071,218 × 1,071,218
4. Step 4: Simplify right side
   761,364x = 1,147,508,003,524
5. Step 5: Solve for x
   x = 1,147,508,003,524/761,364
6. Step 6: Final answer
   x = 1,507,173.97