Finding the Third Proportional to 69,646.55 and 152,643.63

Step by Step Solution

1. Step 1: Write the proportion equation
   69,646.55 : 152,643.63 = 152,643.63 : x
2. Step 2: Convert to fraction form
   69,646.55/152,643.63 = 152,643.63/x
3. Step 3: Cross multiply
   69,646.55x = 152,643.63 × 152,643.63
4. Step 4: Simplify right side
   69,646.55x = 23,300,077,743.80
5. Step 5: Solve for x
   x = 23,300,077,743.80/69,646.55
6. Step 6: Final answer
   x = 334,547.47