Finding the Third Proportional to 53,672.63 and 70,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,672.63 : 70,105.50 = 70,105.50 : x
2. Step 2: Convert to fraction form
   53,672.63/70,105.50 = 70,105.50/x
3. Step 3: Cross multiply
   53,672.63x = 70,105.50 × 70,105.50
4. Step 4: Simplify right side
   53,672.63x = 4,914,781,130.25
5. Step 5: Solve for x
   x = 4,914,781,130.25/53,672.63
6. Step 6: Final answer
   x = 91,569.61