Finding the Third Proportional to 20,569,695 and 42,841,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,569,695 : 42,841,931.25 = 42,841,931.25 : x
2. Step 2: Convert to fraction form
   20,569,695/42,841,931.25 = 42,841,931.25/x
3. Step 3: Cross multiply
   20,569,695x = 42,841,931.25 × 42,841,931.25
4. Step 4: Simplify right side
   20,569,695x = 1,835,431,073,229,726.50
5. Step 5: Solve for x
   x = 1,835,431,073,229,726.50/20,569,695
6. Step 6: Final answer
   x = 89,229,863.31