Finding the Third Proportional to 28,725,856.50 and 42,987,006

Step by Step Solution

1. Step 1: Write the proportion equation
   28,725,856.50 : 42,987,006 = 42,987,006 : x
2. Step 2: Convert to fraction form
   28,725,856.50/42,987,006 = 42,987,006/x
3. Step 3: Cross multiply
   28,725,856.50x = 42,987,006 × 42,987,006
4. Step 4: Simplify right side
   28,725,856.50x = 1,847,882,684,844,036
5. Step 5: Solve for x
   x = 1,847,882,684,844,036/28,725,856.50
6. Step 6: Final answer
   x = 64,328,201.49