Finding the Third Proportional to 2,147,358 and 4,630,959

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,358 : 4,630,959 = 4,630,959 : x
2. Step 2: Convert to fraction form
   2,147,358/4,630,959 = 4,630,959/x
3. Step 3: Cross multiply
   2,147,358x = 4,630,959 × 4,630,959
4. Step 4: Simplify right side
   2,147,358x = 21,445,781,259,681
5. Step 5: Solve for x
   x = 21,445,781,259,681/2,147,358
6. Step 6: Final answer
   x = 9,987,054.45