Finding the Third Proportional to 2,574,340.50 and 5,643,213

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574,340.50 : 5,643,213 = 5,643,213 : x
2. Step 2: Convert to fraction form
   2,574,340.50/5,643,213 = 5,643,213/x
3. Step 3: Cross multiply
   2,574,340.50x = 5,643,213 × 5,643,213
4. Step 4: Simplify right side
   2,574,340.50x = 31,845,852,963,369
5. Step 5: Solve for x
   x = 31,845,852,963,369/2,574,340.50
6. Step 6: Final answer
   x = 12,370,489.83