Finding the Third Proportional to 9,830.53 and 21,051.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,830.53 : 21,051.35 = 21,051.35 : x
2. Step 2: Convert to fraction form
   9,830.53/21,051.35 = 21,051.35/x
3. Step 3: Cross multiply
   9,830.53x = 21,051.35 × 21,051.35
4. Step 4: Simplify right side
   9,830.53x = 443,159,402.61
5. Step 5: Solve for x
   x = 443,159,402.61/9,830.53
6. Step 6: Final answer
   x = 45,079.90