Finding the Third Proportional to 687,085.50 and 1,010,081.25

Step by Step Solution

1. Step 1: Write the proportion equation
   687,085.50 : 1,010,081.25 = 1,010,081.25 : x
2. Step 2: Convert to fraction form
   687,085.50/1,010,081.25 = 1,010,081.25/x
3. Step 3: Cross multiply
   687,085.50x = 1,010,081.25 × 1,010,081.25
4. Step 4: Simplify right side
   687,085.50x = 1,020,264,131,601.56
5. Step 5: Solve for x
   x = 1,020,264,131,601.56/687,085.50
6. Step 6: Final answer
   x = 1,484,915.82