Finding the Third Proportional to 780,103.50 and 1,676,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   780,103.50 : 1,676,602.50 = 1,676,602.50 : x
2. Step 2: Convert to fraction form
   780,103.50/1,676,602.50 = 1,676,602.50/x
3. Step 3: Cross multiply
   780,103.50x = 1,676,602.50 × 1,676,602.50
4. Step 4: Simplify right side
   780,103.50x = 2,810,995,943,006.25
5. Step 5: Solve for x
   x = 2,810,995,943,006.25/780,103.50
6. Step 6: Final answer
   x = 3,603,362.81