Finding the Third Proportional to 2,147,439.09 and 4,602,275.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,439.09 : 4,602,275.72 = 4,602,275.72 : x
2. Step 2: Convert to fraction form
   2,147,439.09/4,602,275.72 = 4,602,275.72/x
3. Step 3: Cross multiply
   2,147,439.09x = 4,602,275.72 × 4,602,275.72
4. Step 4: Simplify right side
   2,147,439.09x = 21,180,941,791,395.83
5. Step 5: Solve for x
   x = 21,180,941,791,395.83/2,147,439.09
6. Step 6: Final answer
   x = 9,863,349.26