Finding the Third Proportional to 9,638,850 and 12,850,362

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638,850 : 12,850,362 = 12,850,362 : x
2. Step 2: Convert to fraction form
   9,638,850/12,850,362 = 12,850,362/x
3. Step 3: Cross multiply
   9,638,850x = 12,850,362 × 12,850,362
4. Step 4: Simplify right side
   9,638,850x = 165,131,803,531,044
5. Step 5: Solve for x
   x = 165,131,803,531,044/9,638,850
6. Step 6: Final answer
   x = 17,131,898.88