Finding the Third Proportional to 9,153,376 and 19,724,300

Step by Step Solution

1. Step 1: Write the proportion equation
   9,153,376 : 19,724,300 = 19,724,300 : x
2. Step 2: Convert to fraction form
   9,153,376/19,724,300 = 19,724,300/x
3. Step 3: Cross multiply
   9,153,376x = 19,724,300 × 19,724,300
4. Step 4: Simplify right side
   9,153,376x = 389,048,010,490,000
5. Step 5: Solve for x
   x = 389,048,010,490,000/9,153,376
6. Step 6: Final answer
   x = 42,503,226.19