Finding the Third Proportional to 83,746,688 and 126,039,360

Step by Step Solution

1. Step 1: Write the proportion equation
   83,746,688 : 126,039,360 = 126,039,360 : x
2. Step 2: Convert to fraction form
   83,746,688/126,039,360 = 126,039,360/x
3. Step 3: Cross multiply
   83,746,688x = 126,039,360 × 126,039,360
4. Step 4: Simplify right side
   83,746,688x = 15,885,920,269,209,600
5. Step 5: Solve for x
   x = 15,885,920,269,209,600/83,746,688
6. Step 6: Final answer
   x = 189,690,131.62