Finding the Third Proportional to 5,449,460.63 and 12,845,899.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,449,460.63 : 12,845,899.69 = 12,845,899.69 : x
2. Step 2: Convert to fraction form
   5,449,460.63/12,845,899.69 = 12,845,899.69/x
3. Step 3: Cross multiply
   5,449,460.63x = 12,845,899.69 × 12,845,899.69
4. Step 4: Simplify right side
   5,449,460.63x = 165,017,138,781,312.59
5. Step 5: Solve for x
   x = 165,017,138,781,312.59/5,449,460.63
6. Step 6: Final answer
   x = 30,281,370.97