Finding the Third Proportional to 64,646,356,018 and 151,043,057,312.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,646,356,018 : 151,043,057,312.50 = 151,043,057,312.50 : x
2. Step 2: Convert to fraction form
   64,646,356,018/151,043,057,312.50 = 151,043,057,312.50/x
3. Step 3: Cross multiply
   64,646,356,018x = 151,043,057,312.50 × 151,043,057,312.50
4. Step 4: Simplify right side
   64,646,356,018x = 22,814,005,162,307,160,637,440
5. Step 5: Solve for x
   x = 22,814,005,162,307,160,637,440/64,646,356,018
6. Step 6: Final answer
   x = 352,904,735,356.70