Finding the Third Proportional to 33,012,697.50 and 72,402,687

Step by Step Solution

1. Step 1: Write the proportion equation
   33,012,697.50 : 72,402,687 = 72,402,687 : x
2. Step 2: Convert to fraction form
   33,012,697.50/72,402,687 = 72,402,687/x
3. Step 3: Cross multiply
   33,012,697.50x = 72,402,687 × 72,402,687
4. Step 4: Simplify right side
   33,012,697.50x = 5,242,149,084,819,969
5. Step 5: Solve for x
   x = 5,242,149,084,819,969/33,012,697.50
6. Step 6: Final answer
   x = 158,791,903.78