Finding the Third Proportional to 761,385 and 1,071,249

Step by Step Solution

1. Step 1: Write the proportion equation
   761,385 : 1,071,249 = 1,071,249 : x
2. Step 2: Convert to fraction form
   761,385/1,071,249 = 1,071,249/x
3. Step 3: Cross multiply
   761,385x = 1,071,249 × 1,071,249
4. Step 4: Simplify right side
   761,385x = 1,147,574,420,001
5. Step 5: Solve for x
   x = 1,147,574,420,001/761,385
6. Step 6: Final answer
   x = 1,507,219.63