Finding the Third Proportional to 11,817,465 and 25,705,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817,465 : 25,705,471.50 = 25,705,471.50 : x
2. Step 2: Convert to fraction form
   11,817,465/25,705,471.50 = 25,705,471.50/x
3. Step 3: Cross multiply
   11,817,465x = 25,705,471.50 × 25,705,471.50
4. Step 4: Simplify right side
   11,817,465x = 660,771,265,037,312.25
5. Step 5: Solve for x
   x = 660,771,265,037,312.25/11,817,465
6. Step 6: Final answer
   x = 55,914,806.18