Finding the Third Proportional to 43,075.78 and 64,354.18

Step by Step Solution

1. Step 1: Write the proportion equation
   43,075.78 : 64,354.18 = 64,354.18 : x
2. Step 2: Convert to fraction form
   43,075.78/64,354.18 = 64,354.18/x
3. Step 3: Cross multiply
   43,075.78x = 64,354.18 × 64,354.18
4. Step 4: Simplify right side
   43,075.78x = 4,141,460,946.02
5. Step 5: Solve for x
   x = 4,141,460,946.02/43,075.78
6. Step 6: Final answer
   x = 96,143.60