Finding the Third Proportional to 5,621,908 and 12,501,320

Step by Step Solution

1. Step 1: Write the proportion equation
   5,621,908 : 12,501,320 = 12,501,320 : x
2. Step 2: Convert to fraction form
   5,621,908/12,501,320 = 12,501,320/x
3. Step 3: Cross multiply
   5,621,908x = 12,501,320 × 12,501,320
4. Step 4: Simplify right side
   5,621,908x = 156,283,001,742,400
5. Step 5: Solve for x
   x = 156,283,001,742,400/5,621,908
6. Step 6: Final answer
   x = 27,798,925.51