Finding the Third Proportional to 39,894,570 and 84,593,061

Step by Step Solution

1. Step 1: Write the proportion equation
   39,894,570 : 84,593,061 = 84,593,061 : x
2. Step 2: Convert to fraction form
   39,894,570/84,593,061 = 84,593,061/x
3. Step 3: Cross multiply
   39,894,570x = 84,593,061 × 84,593,061
4. Step 4: Simplify right side
   39,894,570x = 7,155,985,969,349,721
5. Step 5: Solve for x
   x = 7,155,985,969,349,721/39,894,570
6. Step 6: Final answer
   x = 179,372,430.12