Finding the Third Proportional to 57,719,350 and 89,449,100

Step by Step Solution

1. Step 1: Write the proportion equation
   57,719,350 : 89,449,100 = 89,449,100 : x
2. Step 2: Convert to fraction form
   57,719,350/89,449,100 = 89,449,100/x
3. Step 3: Cross multiply
   57,719,350x = 89,449,100 × 89,449,100
4. Step 4: Simplify right side
   57,719,350x = 8,001,141,490,810,000
5. Step 5: Solve for x
   x = 8,001,141,490,810,000/57,719,350
6. Step 6: Final answer
   x = 138,621,476.00