Finding the Third Proportional to 64,715.63 and 99,123.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,715.63 : 99,123.75 = 99,123.75 : x
2. Step 2: Convert to fraction form
   64,715.63/99,123.75 = 99,123.75/x
3. Step 3: Cross multiply
   64,715.63x = 99,123.75 × 99,123.75
4. Step 4: Simplify right side
   64,715.63x = 9,825,517,814.06
5. Step 5: Solve for x
   x = 9,825,517,814.06/64,715.63
6. Step 6: Final answer
   x = 151,826.05