Finding the Third Proportional to 20,569,696 and 42,841,932

Step by Step Solution

1. Step 1: Write the proportion equation
   20,569,696 : 42,841,932 = 42,841,932 : x
2. Step 2: Convert to fraction form
   20,569,696/42,841,932 = 42,841,932/x
3. Step 3: Cross multiply
   20,569,696x = 42,841,932 × 42,841,932
4. Step 4: Simplify right side
   20,569,696x = 1,835,431,137,492,624
5. Step 5: Solve for x
   x = 1,835,431,137,492,624/20,569,696
6. Step 6: Final answer
   x = 89,229,862.10