Finding the Third Proportional to 45,916.50 and 70,899.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,916.50 : 70,899.75 = 70,899.75 : x
2. Step 2: Convert to fraction form
   45,916.50/70,899.75 = 70,899.75/x
3. Step 3: Cross multiply
   45,916.50x = 70,899.75 × 70,899.75
4. Step 4: Simplify right side
   45,916.50x = 5,026,774,550.06
5. Step 5: Solve for x
   x = 5,026,774,550.06/45,916.50
6. Step 6: Final answer
   x = 109,476.43