Finding the Third Proportional to 33,012,697.50 and 72,402,680.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,012,697.50 : 72,402,680.25 = 72,402,680.25 : x
2. Step 2: Convert to fraction form
   33,012,697.50/72,402,680.25 = 72,402,680.25/x
3. Step 3: Cross multiply
   33,012,697.50x = 72,402,680.25 × 72,402,680.25
4. Step 4: Simplify right side
   33,012,697.50x = 5,242,148,107,383,740
5. Step 5: Solve for x
   x = 5,242,148,107,383,740/33,012,697.50
6. Step 6: Final answer
   x = 158,791,874.17