Finding the Third Proportional to 2,898,739 and 3,936,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,898,739 : 3,936,412.50 = 3,936,412.50 : x
2. Step 2: Convert to fraction form
   2,898,739/3,936,412.50 = 3,936,412.50/x
3. Step 3: Cross multiply
   2,898,739x = 3,936,412.50 × 3,936,412.50
4. Step 4: Simplify right side
   2,898,739x = 15,495,343,370,156.25
5. Step 5: Solve for x
   x = 15,495,343,370,156.25/2,898,739
6. Step 6: Final answer
   x = 5,345,546.24