Finding the Third Proportional to 617,701.50 and 938,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   617,701.50 : 938,443.50 = 938,443.50 : x
2. Step 2: Convert to fraction form
   617,701.50/938,443.50 = 938,443.50/x
3. Step 3: Cross multiply
   617,701.50x = 938,443.50 × 938,443.50
4. Step 4: Simplify right side
   617,701.50x = 880,676,202,692.25
5. Step 5: Solve for x
   x = 880,676,202,692.25/617,701.50
6. Step 6: Final answer
   x = 1,425,731.04