Finding the Third Proportional to 3,590,602.50 and 7,856,853

Step by Step Solution

1. Step 1: Write the proportion equation
   3,590,602.50 : 7,856,853 = 7,856,853 : x
2. Step 2: Convert to fraction form
   3,590,602.50/7,856,853 = 7,856,853/x
3. Step 3: Cross multiply
   3,590,602.50x = 7,856,853 × 7,856,853
4. Step 4: Simplify right side
   3,590,602.50x = 61,730,139,063,609
5. Step 5: Solve for x
   x = 61,730,139,063,609/3,590,602.50
6. Step 6: Final answer
   x = 17,192,139.50