Finding the Third Proportional to 57,877,972 and 89,577,924

Step by Step Solution

1. Step 1: Write the proportion equation
   57,877,972 : 89,577,924 = 89,577,924 : x
2. Step 2: Convert to fraction form
   57,877,972/89,577,924 = 89,577,924/x
3. Step 3: Cross multiply
   57,877,972x = 89,577,924 × 89,577,924
4. Step 4: Simplify right side
   57,877,972x = 8,024,204,468,149,776
5. Step 5: Solve for x
   x = 8,024,204,468,149,776/57,877,972
6. Step 6: Final answer
   x = 138,640,041.99