Finding the Third Proportional to 78,633,604.50 and 123,084,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,633,604.50 : 123,084,079.50 = 123,084,079.50 : x
2. Step 2: Convert to fraction form
   78,633,604.50/123,084,079.50 = 123,084,079.50/x
3. Step 3: Cross multiply
   78,633,604.50x = 123,084,079.50 × 123,084,079.50
4. Step 4: Simplify right side
   78,633,604.50x = 15,149,690,626,362,320
5. Step 5: Solve for x
   x = 15,149,690,626,362,320/78,633,604.50
6. Step 6: Final answer
   x = 192,661,785.28