Finding the Third Proportional to 791,039 and 1,638,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   791,039 : 1,638,152.50 = 1,638,152.50 : x
2. Step 2: Convert to fraction form
   791,039/1,638,152.50 = 1,638,152.50/x
3. Step 3: Cross multiply
   791,039x = 1,638,152.50 × 1,638,152.50
4. Step 4: Simplify right side
   791,039x = 2,683,543,613,256.25
5. Step 5: Solve for x
   x = 2,683,543,613,256.25/791,039
6. Step 6: Final answer
   x = 3,392,428.96