Finding the Third Proportional to 21,127,626 and 45,868,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,127,626 : 45,868,899.50 = 45,868,899.50 : x
2. Step 2: Convert to fraction form
   21,127,626/45,868,899.50 = 45,868,899.50/x
3. Step 3: Cross multiply
   21,127,626x = 45,868,899.50 × 45,868,899.50
4. Step 4: Simplify right side
   21,127,626x = 2,103,955,941,341,100.25
5. Step 5: Solve for x
   x = 2,103,955,941,341,100.25/21,127,626
6. Step 6: Final answer
   x = 99,583,168.57