Finding the Third Proportional to 2,138,288.63 and 4,653,007.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,288.63 : 4,653,007.88 = 4,653,007.88 : x
2. Step 2: Convert to fraction form
   2,138,288.63/4,653,007.88 = 4,653,007.88/x
3. Step 3: Cross multiply
   2,138,288.63x = 4,653,007.88 × 4,653,007.88
4. Step 4: Simplify right side
   2,138,288.63x = 21,650,482,284,812.02
5. Step 5: Solve for x
   x = 21,650,482,284,812.02/2,138,288.63
6. Step 6: Final answer
   x = 10,125,144.96