Finding the Third Proportional to 5,519,140 and 12,064,280

Step by Step Solution

1. Step 1: Write the proportion equation
   5,519,140 : 12,064,280 = 12,064,280 : x
2. Step 2: Convert to fraction form
   5,519,140/12,064,280 = 12,064,280/x
3. Step 3: Cross multiply
   5,519,140x = 12,064,280 × 12,064,280
4. Step 4: Simplify right side
   5,519,140x = 145,546,851,918,400
5. Step 5: Solve for x
   x = 145,546,851,918,400/5,519,140
6. Step 6: Final answer
   x = 26,371,291.89