Finding the Third Proportional to 15,688,638 and 33,898,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,688,638 : 33,898,168.50 = 33,898,168.50 : x
2. Step 2: Convert to fraction form
   15,688,638/33,898,168.50 = 33,898,168.50/x
3. Step 3: Cross multiply
   15,688,638x = 33,898,168.50 × 33,898,168.50
4. Step 4: Simplify right side
   15,688,638x = 1,149,085,827,654,392.25
5. Step 5: Solve for x
   x = 1,149,085,827,654,392.25/15,688,638
6. Step 6: Final answer
   x = 73,243,185.78