Finding the Third Proportional to 42,562.13 and 89,407.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,562.13 : 89,407.13 = 89,407.13 : x
2. Step 2: Convert to fraction form
   42,562.13/89,407.13 = 89,407.13/x
3. Step 3: Cross multiply
   42,562.13x = 89,407.13 × 89,407.13
4. Step 4: Simplify right side
   42,562.13x = 7,993,634,000.77
5. Step 5: Solve for x
   x = 7,993,634,000.77/42,562.13
6. Step 6: Final answer
   x = 187,810.97