Finding the Third Proportional to 45,290.25 and 61,502.63

Step by Step Solution

1. Step 1: Write the proportion equation
   45,290.25 : 61,502.63 = 61,502.63 : x
2. Step 2: Convert to fraction form
   45,290.25/61,502.63 = 61,502.63/x
3. Step 3: Cross multiply
   45,290.25x = 61,502.63 × 61,502.63
4. Step 4: Simplify right side
   45,290.25x = 3,782,572,881.89
5. Step 5: Solve for x
   x = 3,782,572,881.89/45,290.25
6. Step 6: Final answer
   x = 83,518.48