Finding the Third Proportional to 747,672.25 and 1,644,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   747,672.25 : 1,644,870.50 = 1,644,870.50 : x
2. Step 2: Convert to fraction form
   747,672.25/1,644,870.50 = 1,644,870.50/x
3. Step 3: Cross multiply
   747,672.25x = 1,644,870.50 × 1,644,870.50
4. Step 4: Simplify right side
   747,672.25x = 2,705,598,961,770.25
5. Step 5: Solve for x
   x = 2,705,598,961,770.25/747,672.25
6. Step 6: Final answer
   x = 3,618,696.51