Finding the Third Proportional to 53,970 and 71,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,970 : 71,386.50 = 71,386.50 : x
2. Step 2: Convert to fraction form
   53,970/71,386.50 = 71,386.50/x
3. Step 3: Cross multiply
   53,970x = 71,386.50 × 71,386.50
4. Step 4: Simplify right side
   53,970x = 5,096,032,382.25
5. Step 5: Solve for x
   x = 5,096,032,382.25/53,970
6. Step 6: Final answer
   x = 94,423.43