Finding the Third Proportional to 661,788 and 1,403,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   661,788 : 1,403,038.50 = 1,403,038.50 : x
2. Step 2: Convert to fraction form
   661,788/1,403,038.50 = 1,403,038.50/x
3. Step 3: Cross multiply
   661,788x = 1,403,038.50 × 1,403,038.50
4. Step 4: Simplify right side
   661,788x = 1,968,517,032,482.25
5. Step 5: Solve for x
   x = 1,968,517,032,482.25/661,788
6. Step 6: Final answer
   x = 2,974,543.26