Finding the Third Proportional to 7,985,795 and 12,411,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,985,795 : 12,411,845.50 = 12,411,845.50 : x
2. Step 2: Convert to fraction form
   7,985,795/12,411,845.50 = 12,411,845.50/x
3. Step 3: Cross multiply
   7,985,795x = 12,411,845.50 × 12,411,845.50
4. Step 4: Simplify right side
   7,985,795x = 154,053,908,715,870.25
5. Step 5: Solve for x
   x = 154,053,908,715,870.25/7,985,795
6. Step 6: Final answer
   x = 19,290,992.16