Finding the Third Proportional to 12,905,700.75 and 28,087,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,905,700.75 : 28,087,339.50 = 28,087,339.50 : x
2. Step 2: Convert to fraction form
   12,905,700.75/28,087,339.50 = 28,087,339.50/x
3. Step 3: Cross multiply
   12,905,700.75x = 28,087,339.50 × 28,087,339.50
4. Step 4: Simplify right side
   12,905,700.75x = 788,898,640,188,260.25
5. Step 5: Solve for x
   x = 788,898,640,188,260.25/12,905,700.75
6. Step 6: Final answer
   x = 61,127,919.78