Finding the Third Proportional to 549,515 and 830,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   549,515 : 830,015.50 = 830,015.50 : x
2. Step 2: Convert to fraction form
   549,515/830,015.50 = 830,015.50/x
3. Step 3: Cross multiply
   549,515x = 830,015.50 × 830,015.50
4. Step 4: Simplify right side
   549,515x = 688,925,730,240.25
5. Step 5: Solve for x
   x = 688,925,730,240.25/549,515
6. Step 6: Final answer
   x = 1,253,697.77