Finding the Third Proportional to 21,181,812 and 32,731,272

Step by Step Solution

1. Step 1: Write the proportion equation
   21,181,812 : 32,731,272 = 32,731,272 : x
2. Step 2: Convert to fraction form
   21,181,812/32,731,272 = 32,731,272/x
3. Step 3: Cross multiply
   21,181,812x = 32,731,272 × 32,731,272
4. Step 4: Simplify right side
   21,181,812x = 1,071,336,166,737,984
5. Step 5: Solve for x
   x = 1,071,336,166,737,984/21,181,812
6. Step 6: Final answer
   x = 50,578,117.05