Finding the Third Proportional to 2,070,912 and 3,138,445

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070,912 : 3,138,445 = 3,138,445 : x
2. Step 2: Convert to fraction form
   2,070,912/3,138,445 = 3,138,445/x
3. Step 3: Cross multiply
   2,070,912x = 3,138,445 × 3,138,445
4. Step 4: Simplify right side
   2,070,912x = 9,849,837,018,025
5. Step 5: Solve for x
   x = 9,849,837,018,025/2,070,912
6. Step 6: Final answer
   x = 4,756,279.85