Finding the Third Proportional to 7,766,203 and 12,156,338

Step by Step Solution

1. Step 1: Write the proportion equation
   7,766,203 : 12,156,338 = 12,156,338 : x
2. Step 2: Convert to fraction form
   7,766,203/12,156,338 = 12,156,338/x
3. Step 3: Cross multiply
   7,766,203x = 12,156,338 × 12,156,338
4. Step 4: Simplify right side
   7,766,203x = 147,776,553,570,244
5. Step 5: Solve for x
   x = 147,776,553,570,244/7,766,203
6. Step 6: Final answer
   x = 19,028,160.04