Finding the Third Proportional to 505,312.50 and 739,122

Step by Step Solution

1. Step 1: Write the proportion equation
   505,312.50 : 739,122 = 739,122 : x
2. Step 2: Convert to fraction form
   505,312.50/739,122 = 739,122/x
3. Step 3: Cross multiply
   505,312.50x = 739,122 × 739,122
4. Step 4: Simplify right side
   505,312.50x = 546,301,330,884
5. Step 5: Solve for x
   x = 546,301,330,884/505,312.50
6. Step 6: Final answer
   x = 1,081,115.81