Finding the Third Proportional to 33,492,991.50 and 72,118,057.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,492,991.50 : 72,118,057.50 = 72,118,057.50 : x
2. Step 2: Convert to fraction form
   33,492,991.50/72,118,057.50 = 72,118,057.50/x
3. Step 3: Cross multiply
   33,492,991.50x = 72,118,057.50 × 72,118,057.50
4. Step 4: Simplify right side
   33,492,991.50x = 5,201,014,217,573,306
5. Step 5: Solve for x
   x = 5,201,014,217,573,306/33,492,991.50
6. Step 6: Final answer
   x = 155,286,643.10