Finding the Third Proportional to 7,766,205 and 12,156,341

Step by Step Solution

1. Step 1: Write the proportion equation
   7,766,205 : 12,156,341 = 12,156,341 : x
2. Step 2: Convert to fraction form
   7,766,205/12,156,341 = 12,156,341/x
3. Step 3: Cross multiply
   7,766,205x = 12,156,341 × 12,156,341
4. Step 4: Simplify right side
   7,766,205x = 147,776,626,508,281
5. Step 5: Solve for x
   x = 147,776,626,508,281/7,766,205
6. Step 6: Final answer
   x = 19,028,164.53