Finding the Third Proportional to 28,071,745 and 42,314,977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,071,745 : 42,314,977.50 = 42,314,977.50 : x
2. Step 2: Convert to fraction form
   28,071,745/42,314,977.50 = 42,314,977.50/x
3. Step 3: Cross multiply
   28,071,745x = 42,314,977.50 × 42,314,977.50
4. Step 4: Simplify right side
   28,071,745x = 1,790,557,320,825,506.25
5. Step 5: Solve for x
   x = 1,790,557,320,825,506.25/28,071,745
6. Step 6: Final answer
   x = 63,785,037.97