Finding the Third Proportional to 2,078,460 and 3,109,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,460 : 3,109,387.50 = 3,109,387.50 : x
2. Step 2: Convert to fraction form
   2,078,460/3,109,387.50 = 3,109,387.50/x
3. Step 3: Cross multiply
   2,078,460x = 3,109,387.50 × 3,109,387.50
4. Step 4: Simplify right side
   2,078,460x = 9,668,290,625,156.25
5. Step 5: Solve for x
   x = 9,668,290,625,156.25/2,078,460
6. Step 6: Final answer
   x = 4,651,660.66