Finding the Third Proportional to 9,140,900,395 and 12,872,402,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,140,900,395 : 12,872,402,042.50 = 12,872,402,042.50 : x
2. Step 2: Convert to fraction form
   9,140,900,395/12,872,402,042.50 = 12,872,402,042.50/x
3. Step 3: Cross multiply
   9,140,900,395x = 12,872,402,042.50 × 12,872,402,042.50
4. Step 4: Simplify right side
   9,140,900,395x = 165,698,734,343,758,184,448
5. Step 5: Solve for x
   x = 165,698,734,343,758,184,448/9,140,900,395
6. Step 6: Final answer
   x = 18,127,178,634.87