Finding the Third Proportional to 565,642.50 and 1,219,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   565,642.50 : 1,219,837.50 = 1,219,837.50 : x
2. Step 2: Convert to fraction form
   565,642.50/1,219,837.50 = 1,219,837.50/x
3. Step 3: Cross multiply
   565,642.50x = 1,219,837.50 × 1,219,837.50
4. Step 4: Simplify right side
   565,642.50x = 1,488,003,526,406.25
5. Step 5: Solve for x
   x = 1,488,003,526,406.25/565,642.50
6. Step 6: Final answer
   x = 2,630,643.08