Finding the Third Proportional to 291,375 and 450,002.25

Step by Step Solution

1. Step 1: Write the proportion equation
   291,375 : 450,002.25 = 450,002.25 : x
2. Step 2: Convert to fraction form
   291,375/450,002.25 = 450,002.25/x
3. Step 3: Cross multiply
   291,375x = 450,002.25 × 450,002.25
4. Step 4: Simplify right side
   291,375x = 202,502,025,005.06
5. Step 5: Solve for x
   x = 202,502,025,005.06/291,375
6. Step 6: Final answer
   x = 694,987.64