Finding the Third Proportional to 291,026.25 and 633,312

Step by Step Solution

1. Step 1: Write the proportion equation
   291,026.25 : 633,312 = 633,312 : x
2. Step 2: Convert to fraction form
   291,026.25/633,312 = 633,312/x
3. Step 3: Cross multiply
   291,026.25x = 633,312 × 633,312
4. Step 4: Simplify right side
   291,026.25x = 401,084,089,344
5. Step 5: Solve for x
   x = 401,084,089,344/291,026.25
6. Step 6: Final answer
   x = 1,378,171.52