Finding the Third Proportional to 361,312.50 and 786,969

Step by Step Solution

1. Step 1: Write the proportion equation
   361,312.50 : 786,969 = 786,969 : x
2. Step 2: Convert to fraction form
   361,312.50/786,969 = 786,969/x
3. Step 3: Cross multiply
   361,312.50x = 786,969 × 786,969
4. Step 4: Simplify right side
   361,312.50x = 619,320,206,961
5. Step 5: Solve for x
   x = 619,320,206,961/361,312.50
6. Step 6: Final answer
   x = 1,714,084.64