Finding the Third Proportional to 19,188,211 and 31,329,300

Step by Step Solution

1. Step 1: Write the proportion equation
   19,188,211 : 31,329,300 = 31,329,300 : x
2. Step 2: Convert to fraction form
   19,188,211/31,329,300 = 31,329,300/x
3. Step 3: Cross multiply
   19,188,211x = 31,329,300 × 31,329,300
4. Step 4: Simplify right side
   19,188,211x = 981,525,038,490,000
5. Step 5: Solve for x
   x = 981,525,038,490,000/19,188,211
6. Step 6: Final answer
   x = 51,152,503.92