Finding the Third Proportional to 31,191.75 and 45,775.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,191.75 : 45,775.13 = 45,775.13 : x
2. Step 2: Convert to fraction form
   31,191.75/45,775.13 = 45,775.13/x
3. Step 3: Cross multiply
   31,191.75x = 45,775.13 × 45,775.13
4. Step 4: Simplify right side
   31,191.75x = 2,095,362,068.77
5. Step 5: Solve for x
   x = 2,095,362,068.77/31,191.75
6. Step 6: Final answer
   x = 67,176.80