Finding the Third Proportional to 4,615,257 and 10,116,181.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,615,257 : 10,116,181.50 = 10,116,181.50 : x
2. Step 2: Convert to fraction form
   4,615,257/10,116,181.50 = 10,116,181.50/x
3. Step 3: Cross multiply
   4,615,257x = 10,116,181.50 × 10,116,181.50
4. Step 4: Simplify right side
   4,615,257x = 102,337,128,140,942.25
5. Step 5: Solve for x
   x = 102,337,128,140,942.25/4,615,257
6. Step 6: Final answer
   x = 22,173,657.53