Finding the Third Proportional to 63,430.75 and 83,426.63

Step by Step Solution

1. Step 1: Write the proportion equation
   63,430.75 : 83,426.63 = 83,426.63 : x
2. Step 2: Convert to fraction form
   63,430.75/83,426.63 = 83,426.63/x
3. Step 3: Cross multiply
   63,430.75x = 83,426.63 × 83,426.63
4. Step 4: Simplify right side
   63,430.75x = 6,960,001,758.89
5. Step 5: Solve for x
   x = 6,960,001,758.89/63,430.75
6. Step 6: Final answer
   x = 109,725.99