Finding the Third Proportional to 478,953 and 665,941.50

Step by Step Solution

1. Step 1: Write the proportion equation
   478,953 : 665,941.50 = 665,941.50 : x
2. Step 2: Convert to fraction form
   478,953/665,941.50 = 665,941.50/x
3. Step 3: Cross multiply
   478,953x = 665,941.50 × 665,941.50
4. Step 4: Simplify right side
   478,953x = 443,478,081,422.25
5. Step 5: Solve for x
   x = 443,478,081,422.25/478,953
6. Step 6: Final answer
   x = 925,932.36