Finding the Third Proportional to 3,859,720 and 5,677,312.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859,720 : 5,677,312.50 = 5,677,312.50 : x
2. Step 2: Convert to fraction form
   3,859,720/5,677,312.50 = 5,677,312.50/x
3. Step 3: Cross multiply
   3,859,720x = 5,677,312.50 × 5,677,312.50
4. Step 4: Simplify right side
   3,859,720x = 32,231,877,222,656.25
5. Step 5: Solve for x
   x = 32,231,877,222,656.25/3,859,720
6. Step 6: Final answer
   x = 8,350,833.02