Finding the Third Proportional to 641,098.75 and 1,015,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   641,098.75 : 1,015,164.50 = 1,015,164.50 : x
2. Step 2: Convert to fraction form
   641,098.75/1,015,164.50 = 1,015,164.50/x
3. Step 3: Cross multiply
   641,098.75x = 1,015,164.50 × 1,015,164.50
4. Step 4: Simplify right side
   641,098.75x = 1,030,558,962,060.25
5. Step 5: Solve for x
   x = 1,030,558,962,060.25/641,098.75
6. Step 6: Final answer
   x = 1,607,488.65