Finding the Third Proportional to 9,523,948 and 19,991,320

Step by Step Solution

1. Step 1: Write the proportion equation
   9,523,948 : 19,991,320 = 19,991,320 : x
2. Step 2: Convert to fraction form
   9,523,948/19,991,320 = 19,991,320/x
3. Step 3: Cross multiply
   9,523,948x = 19,991,320 × 19,991,320
4. Step 4: Simplify right side
   9,523,948x = 399,652,875,342,400
5. Step 5: Solve for x
   x = 399,652,875,342,400/9,523,948
6. Step 6: Final answer
   x = 41,962,941.77