Finding the Third Proportional to 3,911,679 and 5,983,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,911,679 : 5,983,807.50 = 5,983,807.50 : x
2. Step 2: Convert to fraction form
   3,911,679/5,983,807.50 = 5,983,807.50/x
3. Step 3: Cross multiply
   3,911,679x = 5,983,807.50 × 5,983,807.50
4. Step 4: Simplify right side
   3,911,679x = 35,805,952,197,056.25
5. Step 5: Solve for x
   x = 35,805,952,197,056.25/3,911,679
6. Step 6: Final answer
   x = 9,153,601.87