Finding the Third Proportional to 478,968 and 798,247.50

Step by Step Solution

1. Step 1: Write the proportion equation
   478,968 : 798,247.50 = 798,247.50 : x
2. Step 2: Convert to fraction form
   478,968/798,247.50 = 798,247.50/x
3. Step 3: Cross multiply
   478,968x = 798,247.50 × 798,247.50
4. Step 4: Simplify right side
   478,968x = 637,199,071,256.25
5. Step 5: Solve for x
   x = 637,199,071,256.25/478,968
6. Step 6: Final answer
   x = 1,330,358.34