Finding the Third Proportional to 749,044 and 1,638,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   749,044 : 1,638,222.50 = 1,638,222.50 : x
2. Step 2: Convert to fraction form
   749,044/1,638,222.50 = 1,638,222.50/x
3. Step 3: Cross multiply
   749,044x = 1,638,222.50 × 1,638,222.50
4. Step 4: Simplify right side
   749,044x = 2,683,772,959,506.25
5. Step 5: Solve for x
   x = 2,683,772,959,506.25/749,044
6. Step 6: Final answer
   x = 3,582,930.99