Finding the Third Proportional to 277,854 and 607,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   277,854 : 607,081.50 = 607,081.50 : x
2. Step 2: Convert to fraction form
   277,854/607,081.50 = 607,081.50/x
3. Step 3: Cross multiply
   277,854x = 607,081.50 × 607,081.50
4. Step 4: Simplify right side
   277,854x = 368,547,947,642.25
5. Step 5: Solve for x
   x = 368,547,947,642.25/277,854
6. Step 6: Final answer
   x = 1,326,408.64