Finding the Third Proportional to 67,618,041.19 and 107,157,085.31

Step by Step Solution

1. Step 1: Write the proportion equation
   67,618,041.19 : 107,157,085.31 = 107,157,085.31 : x
2. Step 2: Convert to fraction form
   67,618,041.19/107,157,085.31 = 107,157,085.31/x
3. Step 3: Cross multiply
   67,618,041.19x = 107,157,085.31 × 107,157,085.31
4. Step 4: Simplify right side
   67,618,041.19x = 11,482,640,932,670,404
5. Step 5: Solve for x
   x = 11,482,640,932,670,404/67,618,041.19
6. Step 6: Final answer
   x = 169,816,231.45