Finding the Third Proportional to 8,064,533,490 and 12,650,861,985

Step by Step Solution

1. Step 1: Write the proportion equation
   8,064,533,490 : 12,650,861,985 = 12,650,861,985 : x
2. Step 2: Convert to fraction form
   8,064,533,490/12,650,861,985 = 12,650,861,985/x
3. Step 3: Cross multiply
   8,064,533,490x = 12,650,861,985 × 12,650,861,985
4. Step 4: Simplify right side
   8,064,533,490x = 160,044,308,963,518,152,704
5. Step 5: Solve for x
   x = 160,044,308,963,518,152,704/8,064,533,490
6. Step 6: Final answer
   x = 19,845,451,588.98