Finding the Third Proportional to 761,380 and 1,071,242

Step by Step Solution

1. Step 1: Write the proportion equation
   761,380 : 1,071,242 = 1,071,242 : x
2. Step 2: Convert to fraction form
   761,380/1,071,242 = 1,071,242/x
3. Step 3: Cross multiply
   761,380x = 1,071,242 × 1,071,242
4. Step 4: Simplify right side
   761,380x = 1,147,559,422,564
5. Step 5: Solve for x
   x = 1,147,559,422,564/761,380
6. Step 6: Final answer
   x = 1,507,209.83